GeekRadar / The comparison desk
COMPARE.
GPU
NVIDIA

NVIDIA GeForce GT 640

Graphics processor Released

Video memory
2 GB
Memory bus
128 bit
Rated memory bandwidth
28.51 GB/s

Graphics & compute benchmarks

Archived cohort medians

GFXBench, GLBenchmark and CompuBench results retain the tested system, API, operating system and resolution. Offscreen tests fix the render resolution; onscreen results also reflect the display workload. These historical submissions do not establish performance in current games.

1080p ALU 2 OffscreenLinux / OpenGL / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

113.09* fps

NVIDIA GeForce GT 640

Host configuration not reported.

1080p ALU 2 OffscreenOS X / OpenGL / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

116.70* fps

NVIDIA GeForce GT 640

Host configuration not reported.

1080p ALU 2 OffscreenOS X / Metal / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

112.16* fps

NVIDIA GeForce GT 640

Host configuration not reported.

1080p ALU 2 OffscreenOS X / Metal / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

112.02* fps

NVIDIA GeForce GT640

Host configuration not reported.

1080p ALU 2 OffscreenWindows / OpenGL / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

117.42* fps

NVIDIA GeForce GT 640

Host configuration not reported.

1080p Driver Overhead 2 OffscreenLinux / OpenGL / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

77.44* fps

NVIDIA GeForce GT 640

Host configuration not reported.

1080p Driver Overhead 2 OffscreenOS X / OpenGL / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

26.04* fps

NVIDIA GeForce GT 640

Host configuration not reported.

1080p Driver Overhead 2 OffscreenOS X / Metal / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

127.30* fps

NVIDIA GeForce GT 640

Host configuration not reported.

1080p Driver Overhead 2 OffscreenOS X / Metal / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

81.60* fps

NVIDIA GeForce GT640

Host configuration not reported.

1080p Driver Overhead 2 OffscreenWindows / OpenGL / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

95.81* fps

NVIDIA GeForce GT 640

Host configuration not reported.

1080p Manhattan 3.1 OffscreenLinux / OpenGL / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

48.95* fps

NVIDIA GeForce GT 640

Host configuration not reported.

1080p Manhattan 3.1 OffscreenOS X / Metal / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

48.43* fps

NVIDIA GeForce GT640

Host configuration not reported.

1080p Manhattan 3.1 OffscreenOS X / Metal / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

48.17* fps

NVIDIA GeForce GT 640

Host configuration not reported.

1080p Manhattan 3.1 OffscreenWindows / OpenGL / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

49.40* fps

NVIDIA GeForce GT 640

Host configuration not reported.

1080p Manhattan OffscreenLinux / OpenGL / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

60.38* fps

NVIDIA GeForce GT 640

Host configuration not reported.

1080p Manhattan OffscreenOS X / OpenGL / 1920 x 1080 / offscreen · fps

Higher is better.

NVIDIA GeForce GT 640

53.78* fps

NVIDIA GeForce GT 640

Host configuration not reported.

Median results, not the best run. Sample counts and individual test dates are unreported. Different systems using the same GPU remain separate configurations.

Benchmark results

  • G3D Mark · version unreported · g3d_mark1,165* pointsPlatform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · CUDA2,853*Platform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · CUDA2,853*Platform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · Metal1,819*Platform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · OpenCL3,876*Platform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · OpenCL3,876*Platform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · OpenCL3,721*Platform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · OpenCL3,728*Platform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · Vulkan3,683*Platform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · Vulkan3,620*Platform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · Vulkan3,817*Platform unreported Compare results
  • Geekbench GPU (reported compilation) · version unreported · Vulkan3,620*Platform unreported Compare results
  • PassMark · version unreported · G2Dmark285*Platform unreported Compare results
  • PassMark · version unreported · G3Dmark1,182*Platform unreported Compare results
  • Reported score · version unreported · 2dmark608*Platform unreported Compare results
  • Reported score · version unreported · 3dmark1,280*Platform unreported Compare results

Processing & platform

Architecture
Kepler
Manufacturing process
TSMC 28 nm
Process node
28 nm
GPU cores
384*
GPU base clock
902 MHz*
Reported GPU frequency
902 MHz*
Reported graphics memory frequency
891 MHz*
Graphics interface
PCIe 3.0 x16*
Video memory
2,048 MB*
Reported chip die area
118 mm²*
Chip/package TDP
65 W*
Transistors
1,270 million*
GPU boost clock
902 MHz
Graphics processor
GK107*
Texture mapping units
32*
Raster output units
16*
Chip foundry
TSMC*
Card or module format
Single-slot*
Declared GPU TDP
65 W*
Suggested system PSU
250 W*
External power connectors
None*
DirectX / feature level
12 (11_0)*
OpenGL
4.6*
OpenCL
3.0*
Vulkan
1.2.175*
CUDA compute capability
3.0*
Shader model
6.5 (5.1)*
GPU L2 cache
256 KB*

GPU configurations

  • 2 GB / DDR3 / 128-bit / GK107-300-A2
    Capacity
    2 GB
    Rated memory bandwidth
    28.51 GB/s
    Boost clock
    902 MHz
    Chip variant
    GK107-300-A2
    Memory bus
    128 bit
    Rated power
    65 W
    Power specification
    TDP
    Technology
    DDR3

Memory & storage

Memory options
2*
Video memory
2 GB
Video memory type
DDR3
Memory bus
128 bit
Rated memory bandwidth
28.51 GB/s

Power specifications

Thermal design power
65 W

System configuration

Detailed specifications

Specifications 1 · 11 fields
Manufacturer
Nvidia*
GFLOPS
803.3* GFLOPS
TDP
49*
Class
Desktop*
Name
GeForce GT 640*
Year
2013*
Fab
28*
Transistors (mln)
1,020*
Die size
79*
Memory size
1,024*
Memory speed
40.1*
Specifications 2 · 31 fields
Architecture
Kepler GK107-300-A2*
Integrated
No*
L2 Cache
256KB*
Manufacturer
Nvidia*
Max Power
65 Watts*
Memory
2,048* MB
Memory Bandwidth
28.5GB/sec*
Memory Bus
128 Bit*
Memory Speed
891* MHz
Memory Type
DDR3*
Name
GeForce GT 640*
Best Resolution
1366 x 768*
Notebook GPU
No*
Open GL
4.5*
PSU
350 Watt & 26 Amps*
Pixel Rate
14 GPixel/s*
Process
28nm*
ROPs
16*
Release Date
05-Jun-2012*
Release Price
$99.00*
Resolution WxH
4096x2160*
SLI Crossfire
No*
Shader
5*
TMUs
32*
Texture Rate
29 GTexel/s*
VGA Connection
1*
Core Speed
902* MHz
DVI Connection
1*
Dedicated
Yes*
Direct X
DX 12.0*
HDMI Connection
1*
Specifications 3 · 24 fields
Product Name
GeForce GT 640*
Product Name
GeForce GT 640*
Product Name
GeForce GT 640*
GPU Chip
GK107*
GPU Chip
GK107*
GPU Chip
GK107*
Released
Jun 5th, 2012*
Released
Jun 5th, 2012*
Released
Jun 5th, 2012*
Bus
PCIe 3.0 x16*
Bus
PCIe 3.0 x16*
Bus
PCIe 3.0 x16*
Memory
2 GB, DDR3, 128 bit*
Memory
2 GB, DDR3, 128 bit*
Memory
2 GB, DDR3, 128 bit*
GPU clock
902* MHz
GPU clock
902* MHz
GPU clock
902* MHz
Memory clock
891* MHz
Memory clock
891* MHz
Memory clock
891* MHz
Shaders TMUs ROPs
384 / 32 / 16*
Shaders TMUs ROPs
384 / 32 / 16*
Shaders TMUs ROPs
384 / 32 / 16*
Specifications 4 · 12 fields
Foundry
TSMC*
Vendor
NVIDIA*
FP32 GFLOPS
692.7* GFLOPS
FP64 GFLOPS
28.86* GFLOPS
Product
NVIDIA GeForce GT 640*
Type
GPU*
Release Date
2012-06-05*
Process Size (nm)
28* nm
TDP (W)
65* W
Die Size (mm^2)
118* mm²
Transistors (million)
1,270*
Freq (MHz)
902* MHz
Specifications 5 · 24 fields
proc transistors
1,270 million*
proc die size
118* mm²
cores
384*
memory clock
891*
ram
2*
name
NVIDIA GeForce GT 640*
ram type
DDR3*
bus width
128*
bus interface
PCIe 3.0 x16*
ram bandwidth
28.51* GB/s
fp32 performance
0.6927*
fp64 performance
0.0289*
tdp
65* W
suggested psu
250* W
slot width
Single-slot*
api cuda
3*
is retail board
No*
gpi value
0.7*
vendor
nvd*
manufacturer
NVIDIA*
arch name
Kepler*
card release date
2012-06-05*
proc foundry
TSMC*
proc process size
28* nm
Specifications 6 · 36 fields
CUDA compute capability
3.0*
DirectX / feature level
12 (11_0)*
OpenCL
3.0*
OpenGL
4.6*
Shader model
6.5 (5.1)*
Vulkan
1.2.175*
Architecture
Kepler*
Graphics interface
PCIe 3.0 x16*
Memory bus
128* bit
Reported shader processors
384*
Reported theoretical FP32 peak
0.6927* TFLOPS
Scope and conditions
Arithmetic density
Not stated*
Reported theoretical FP64 peak
0.0289* TFLOPS
Scope and conditions
Arithmetic density
Not stated*
Declared L1 cache configuration
16 KB (per SMX)*
Declared GPU L2 cache
256 KB*
Reported display outputs
1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2*
Theoretical pixel fill rate
7.216 GPixel/s*
External power connectors
None*
Reported chip die area
118 mm²*
Chip foundry
TSMC*
Process node declaration
28 nm*
Transistors
1,270 million*
Graphics processor
GK107*
Reported video memory
2* GB
Rated memory bandwidth
28.51 GB/s*
Video memory type
DDR3*
Raster output units
16*
Reported shading units
384*
Card or module format
Single-slot*
Suggested system PSU
250 W*
2:4 tensor sparsity
No*
Declared GPU TDP
65 W*
Theoretical texture fill rate
28.86 GTexel/s*
Texture mapping units
32*
GPU cores
384*
Video memory
2* GB
Video memory type
DDR3*
Specifications 7 · 3 fields
G3D Mark
1,165* points
Scope and conditions
benchmark_context
suite
G3D Mark*
native_context
GPU model
GeForce GT 640*
Snapshot date
2026-10-05*
Model
GeForce GT 640*
Hardware class
Desktop*
Specifications 8 · 8 fields
Product Name
GeForce GT 640*
GPU Chip
GK107*
Released
Jun 5th, 2012*
Bus
PCIe 3.0 x16*
Memory
2 GB, DDR3, 128 bit*
GPU clock
902* MHz
Memory clock
891* MHz
Shaders / TMUs / ROPs
384 / 32 / 16*
Specifications 9 · 10 fields
model
GeForce GT 640*
Scope and conditions
source_native_row_context
model
GeForce GT 640*
core config
384:32:16:2*
Scope and conditions
source_native_row_context
model
GeForce GT 640*
tdp watts
65.0* W
Scope and conditions
source_native_row_context
model
GeForce GT 640*
manufacturer
Nvidia*
Scope and conditions
source_native_row_context
model
GeForce GT 640*
launch date
2012-06-05 00:00:00.000000000*
Scope and conditions
source_native_row_context
model
GeForce GT 640*
code name
GK107-300-A2*
Scope and conditions
source_native_row_context
model
GeForce GT 640*
fab nm
TSMC 28 nm* nm
Scope and conditions
source_native_row_context
model
GeForce GT 640*
die size mm2
118.0* mm²
Scope and conditions
source_native_row_context
model
GeForce GT 640*
bus interface
PCIe 3.0 x16*
Scope and conditions
source_native_row_context
model
GeForce GT 640*
core clock mhz
902.0* MHz
Scope and conditions
source_native_row_context
model
GeForce GT 640*
Specifications 10 · 11 fields
Manufacturer
Nvidia*
GFLOPS
803.3* GFLOPS
TDP
49*
Class
Desktop*
Name
GeForce GT 640*
Year
2013*
Fab
28*
Transistors (mln)
1,020*
Die size
79*
Memory size
1,024*
Memory speed
40.1*
Specifications 11 · 56 fields
Brand
NVIDIA*
Top BUS WIDTH
128* bit
Graphics Processor GPU Name
GK107*
Graphics Processor Architecture
Kepler*
Graphics Features CUDA
3*
Render Config SMX Count
2*
Graphics Processor Process Size
28* nm
Graphics Processor Transistors
1,270 million*
Graphics Processor Die Size
118* mm²
Graphics Card Release Date
Jun 5th, 2012*
Graphics Card Generation
GeForce 600*
Graphics Card Successor
GeForce 700*
Graphics Card Production
End-of-life*
Name
GeForce GT 640*
Graphics Card Bus Interface
PCIe 3.0 x16*
Clock Speeds GPU Clock
902* MHz
Clock Speeds Memory Clock
891 MHz 1782 Mbps effective*
Memory Memory Size
2* GB
Memory Memory Type
DDR3*
Memory Memory Bus
128* bit
Memory Bandwidth
28.51* GB/s
Render Config TMUs
32*
Top GRAPHICS PROCESSOR
GK107*
Render Config ROPs
16*
Theoretical Performance Pixel Rate
7.216 GPixel/s
Theoretical Performance Texture Rate
28.86 GTexel/s
Board Design Slot Width
Single-slot*
Board Design TDP
65* W
Board Design Suggested PSU
250* W
Board Design Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2*
Board Design Board Number
P2011 SKU 0*
Graphics Features DirectX
12 (11_0)*
Graphics Features OpenGL
4.6*
Graphics Features OpenCL
3*
Graphics Features Vulkan
1.2.175*
source file
nvidia2012.json*
Graphics Processor Foundry
TSMC*
Graphics Card Predecessor
GeForce 500*
Recommended Resolutions
Good:640x480 | Playable:1280x720 | Unplayable:1366x768*
Graphics Card Launch Price
99 USD*
Board Design Length
145 mm 5.7 inches*
Graphics Processor GPU Variant
GK107-300-A2*
Graphics Processor Density
10.8M / mm²*
Graphics Card Reviews
8 in our database*
Top TMUS
32*
Graphics Processor Chip Package
BGA-908*
Top ROPS
16*
Graphics Features Shader Model
6.5 (5.1)*
Top CORES
384*
Render Config Shading Units
384*
Render Config L2 Cache
256* KB
Top MEMORY SIZE
2* GB
Theoretical Performance FP32 (float)
692.7* GFLOPS
Theoretical Performance FP64 (double)
28.86 GFLOPS (1:24)
Render Config L1 Cache
16 KB (per SMX)*
Top MEMORY TYPE
DDR3*
Specifications 12 · 9 fields
name
GeForce GT 640*
price
$59.99**
3dmark
1,280*
value
21.35*
2dmark
608*
tdp
65*
powerperf
19*
test
Dec 2011*
category
Desktop*
Specifications 13 · 12 fields
Device
GeForce GT 640*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
Device
NVIDIA GeForce GT 640*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
Manufacturer
Nvidia*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
Device
GeForce GT 640*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
OpenCL
3,728*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
OpenCL
3,721*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
CUDA
2,853*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
Metal
1,819*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
Vulkan
3,817*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
Vulkan
3,683*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
OpenCL
3,876*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
Vulkan
3,620*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
Specifications 14 · 14 fields
gpuName
GeForce GT 640*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
Manufacturer
Nvidia*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
Device
GeForce GT 640*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
G3Dmark
1,182*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
CUDA
2,853*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
G2Dmark
285*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
price
109.99*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
gpuValue
10.74*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
OpenCL
3,876*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
TDP
65*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
Vulkan
3,620*
Scope and conditions
benchmark_context
suite
Geekbench GPU (reported compilation)*
backend_columns
  • CUDA*
  • Metal*
  • OpenCL*
  • Vulkan*
test_configuration_verified
No*
comparable
No*
powerPerformance
18.18*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
testDate
2,011*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
category
Desktop*
Scope and conditions
benchmark_context
suite
PassMark*
test_configuration_verified
No*
comparable
No*
Specifications 15 · 27 fields
manufacturer
NVIDIA*
manufacturer
NVIDIA*
rop
16*
rop
8*
igp
No*
igp
No*
bus
PCIe 3.0 x16*
bus
PCIe 3.0 x8*
memType
DDR3*
memType
DDR3*
gpuChip
GK107*
gpuChip
Exo*
productName
GeForce GT 640*
productName
GeForce GT 640*
releaseYear
2,012*
releaseYear
2,012*
memSize
2*
memSize
2*
memBusWidth
128*
gpuClock
1,030*
gpuClock
902*
memClock
900*
memClock
891*
unifiedShader
384*
unifiedShader
320*
tmu
32*
tmu
20*

* Provisional data