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GPU
NVIDIA

NVIDIA GeForce GT 645 OEM

Graphics processor Released

Video memory
1 GB*
Memory bus
192 bit*
Rated memory bandwidth
91.87 GB/s*

No matched benchmark results are available for this entry yet.

Processing & platform

Architecture
Fermi
Manufacturing process
TSMC 40 nm
Process node
40 nm
GPU cores
288*
GPU base clock
776 MHz*
Reported GPU frequency
776 MHz*
Graphics interface
PCIe 2.0 x16*
Video memory
1,024 MB*
Reported chip die area
332 mm²*
Chip/package TDP
102 W*
Transistors
1,950 million*
GPU boost clock
776 MHz
Graphics processor
GF114*
Texture mapping units
48*
Raster output units
24*
Streaming multiprocessors
6*
Chip foundry
TSMC*
Card or module format
Dual-slot*
Declared GPU TDP
102 W*
Suggested system PSU
300 W*
DirectX / feature level
12 (11_0)*
OpenGL
4.6*
OpenCL
1.1*
CUDA compute capability
2.1*
Shader model
5.1*
GPU L2 cache
384 KB*

GPU configurations

  • GF114
    Boost clock
    776 MHz
    Chip variant
    GF114
    Rated power
    102 W
    Power specification
    TDP

Memory & storage

Memory options
1,024*
Video memory
1 GB*
Video memory type
GDDR5*
Memory bus
192 bit*
Rated memory bandwidth
91.87 GB/s*

Power specifications

Thermal design power
102 W

System configuration

Detailed specifications

Specifications 1 · 24 fields
Product Name
GeForce GT 645 OEM*
Product Name
GeForce GT 645 OEM*
Product Name
GeForce GT 645 OEM*
GPU Chip
GF114*
GPU Chip
GF114*
GPU Chip
GF114*
Released
Apr 24th, 2012*
Released
Apr 24th, 2012*
Released
Apr 24th, 2012*
Bus
PCIe 2.0 x16*
Bus
PCIe 2.0 x16*
Bus
PCIe 2.0 x16*
Memory
1024 MB, GDDR5, 192 bit*
Memory
1024 MB, GDDR5, 192 bit*
Memory
1024 MB, GDDR5, 192 bit*
GPU clock
776* MHz
GPU clock
776* MHz
GPU clock
776* MHz
Memory clock
957* MHz
Memory clock
957* MHz
Memory clock
957* MHz
Shaders TMUs ROPs
288 / 48 / 24*
Shaders TMUs ROPs
288 / 48 / 24*
Shaders TMUs ROPs
288 / 48 / 24*
Specifications 2 · 12 fields
Foundry
TSMC*
Vendor
NVIDIA*
FP32 GFLOPS
894* GFLOPS
FP64 GFLOPS
74.5* GFLOPS
Product
NVIDIA GeForce GT 645 OEM*
Type
GPU*
Release Date
2012-04-24*
Process Size (nm)
40* nm
TDP (W)
102* W
Die Size (mm^2)
332* mm²
Transistors (million)
1,950*
Freq (MHz)
776* MHz
Specifications 3 · 25 fields
proc transistors
1,950 million*
proc die size
332* mm²
cores
288*
sm count
6*
memory clock
957*
ram
1,024*
name
NVIDIA GeForce GT 645 OEM*
ram type
GDDR5*
bus width
192*
bus interface
PCIe 2.0 x16*
ram bandwidth
91.87* GB/s
fp32 performance
0.894*
fp64 performance
0.0745*
tdp
102* W
suggested psu
300* W
slot width
Dual-slot*
api cuda
2.1*
is retail board
No*
gpi value
2.7*
vendor
nvd*
manufacturer
NVIDIA*
arch name
Fermi 2.0*
card release date
2012-04-24*
proc foundry
TSMC*
proc process size
40* nm
Specifications 4 · 35 fields
CUDA compute capability
2.1*
DirectX / feature level
12 (11_0)*
OpenCL
1.1*
OpenGL
4.6*
Shader model
5.1*
Architecture
Fermi 2.0*
Graphics interface
PCIe 2.0 x16*
Memory bus
192* bit
Reported shader processors
288*
Reported theoretical FP32 peak
0.894* TFLOPS
Scope and conditions
Arithmetic density
Not stated*
Reported theoretical FP64 peak
0.0745* TFLOPS
Scope and conditions
Arithmetic density
Not stated*
Declared L1 cache configuration
64 KB (per SM)*
Declared GPU L2 cache
384 KB*
Reported display outputs
2x DVI, 1x mini-HDMI 1.3a*
Theoretical pixel fill rate
9.312 GPixel/s*
Reported chip die area
332 mm²*
Chip foundry
TSMC*
Process node declaration
40 nm*
Transistors
1,950 million*
Graphics processor
GF114*
Reported video memory
1,024* MB
Rated memory bandwidth
91.87 GB/s*
Video memory type
GDDR5*
Raster output units
24*
Reported shading units
288*
Card or module format
Dual-slot*
Streaming multiprocessors
6*
Suggested system PSU
300 W*
2:4 tensor sparsity
No*
Declared GPU TDP
102 W*
Theoretical texture fill rate
37.25 GTexel/s*
Texture mapping units
48*
GPU cores
288*
Video memory
1,024* MB
Video memory type
GDDR5*
Specifications 5 · 10 fields
model
GeForce GT 645 OEM*
Scope and conditions
source_native_row_context
model
GeForce GT 645 OEM*
core config
288:48:24:6*
Scope and conditions
source_native_row_context
model
GeForce GT 645 OEM*
tdp watts
102.0* W
Scope and conditions
source_native_row_context
model
GeForce GT 645 OEM*
manufacturer
Nvidia*
Scope and conditions
source_native_row_context
model
GeForce GT 645 OEM*
launch date
2012-04-24 00:00:00.000000000*
Scope and conditions
source_native_row_context
model
GeForce GT 645 OEM*
code name
GF114*
Scope and conditions
source_native_row_context
model
GeForce GT 645 OEM*
fab nm
TSMC 40 nm* nm
Scope and conditions
source_native_row_context
model
GeForce GT 645 OEM*
die size mm2
332.0* mm²
Scope and conditions
source_native_row_context
model
GeForce GT 645 OEM*
bus interface
PCIe 2.0 x16*
Scope and conditions
source_native_row_context
model
GeForce GT 645 OEM*
core clock mhz
776.0* MHz
Scope and conditions
source_native_row_context
model
GeForce GT 645 OEM*
Specifications 6 · 52 fields
Brand
NVIDIA*
Top BUS WIDTH
192* bit
Graphics Processor GPU Name
GF114*
Clock Speeds Shader Clock
1,552* MHz
Graphics Processor Architecture
Fermi 2.0*
Render Config SM Count
6*
Graphics Features CUDA
2.1*
Graphics Processor Process Size
40* nm
Graphics Processor Transistors
1,950 million*
Graphics Processor Die Size
332* mm²
Graphics Card Release Date
Apr 24th, 2012*
Graphics Card Generation
GeForce 600*
Graphics Card Successor
GeForce 700*
Graphics Card Production
End-of-life*
Name
GeForce GT 645 OEM*
Graphics Card Bus Interface
PCIe 2.0 x16*
Clock Speeds GPU Clock
776* MHz
Clock Speeds Memory Clock
957 MHz 3.8 Gbps effective*
Memory Memory Size
1,024* MB
Memory Memory Type
GDDR5*
Memory Memory Bus
192* bit
Memory Bandwidth
91.87* GB/s
Render Config TMUs
48*
Top GRAPHICS PROCESSOR
GF114*
Render Config ROPs
24*
Theoretical Performance Pixel Rate
9.312 GPixel/s
Theoretical Performance Texture Rate
37.25 GTexel/s
Board Design Slot Width
Dual-slot*
Board Design TDP
102* W
Board Design Suggested PSU
300* W
Board Design Outputs
2x DVI 1x mini-HDMI 1.3a*
Graphics Features DirectX
12 (11_0)*
Graphics Features OpenGL
4.6*
Graphics Features OpenCL
1.1*
source file
nvidia2012.json*
Graphics Processor Foundry
TSMC*
Graphics Card Predecessor
GeForce 500*
Recommended Resolutions
Good:640x480 | Playable:1280x720 | Low FPS:1366x768*
Board Design Length
210 mm 8.3 inches*
Graphics Processor Density
5.9M / mm²*
Top TMUS
48*
Graphics Processor Chip Package
BGA-1731*
Top ROPS
24*
Graphics Features Shader Model
5.1*
Top CORES
288*
Render Config Shading Units
288*
Render Config L2 Cache
384* KB
Top MEMORY SIZE
1,024* MB
Theoretical Performance FP32 (float)
894* GFLOPS
Theoretical Performance FP64 (double)
74.50 GFLOPS (1:12)
Render Config L1 Cache
64 KB (per SM)*
Top MEMORY TYPE
GDDR5*
Specifications 7 · 27 fields
manufacturer
NVIDIA*
manufacturer
NVIDIA*
rop
24*
rop
40*
igp
No*
igp
No*
bus
PCIe 2.0 x16*
bus
PCIe 2.0 x16*
memType
GDDR5*
memType
GDDR5*
gpuChip
GF110*
gpuChip
GF114*
productName
GeForce GT 645 OEM*
productName
GeForce GT 645 OEM*
releaseYear
2,012*
releaseYear
2,012*
memSize
1.024*
memSize
1.024*
memBusWidth
192*
gpuClock
732*
gpuClock
776*
memClock
957*
memClock
950*
unifiedShader
288*
unifiedShader
480*
tmu
48*
tmu
60*

* Provisional data