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GPU

ZOTAC

ZOTAC GT 640 2 GB

Graphics processor

Video memory: 2 GB^*
Memory bus: 64 bit^*
Rated memory bandwidth: 40.06 GB/s^*

No matched benchmark results are available for this entry yet.

Processing & platform

Architecture: Kepler 2.0^*
Process node: 28 nm^*
GPU cores: 384^*
Graphics interface: PCIe 2.0 x8^*
Reported chip die area: 87 mm²^*
Transistors: 1,020 million^*
Graphics processor: GK208^*
Texture mapping units: 32^*
Raster output units: 8^*
Chip foundry: TSMC^*
Card or module format: Single-slot^*
Declared GPU TDP: 49 W^*
Suggested system PSU: 200 W^*
External power connectors: None^*
DirectX / feature level: 12 (11_0)^*
OpenGL: 4.6^*
OpenCL: 3.0^*
Vulkan: 1.2.175^*
CUDA compute capability: 3.5^*
Shader model: 6.5 (5.1)^*
GPU L2 cache: 512 KB^*

Memory & storage

Memory options: 2^*
Video memory: 2 GB^*
Video memory type: GDDR5^*
Memory bus: 64 bit^*
Rated memory bandwidth: 40.06 GB/s^*

Power specifications

Thermal design power: 49 W^*

System configuration

Detailed specifications

Specifications 1 · 23 fields

proc transistors: 1,020 million^*
proc die size: 87^* mm²
cores: 384^*
memory clock: 1,252^*
ram: 2^*
name: ZOTAC GT 640 2 GB^*
ram type: GDDR5^*
bus width: 64^*
bus interface: PCIe 2.0 x8^*
ram bandwidth: 40.06^* GB/s
fp32 performance: 0.8033^*
fp64 performance: 0.0335^*
tdp: 49^* W
suggested psu: 200^* W
slot width: Single-slot^*
api cuda: 3.5^*
is retail board: Yes^*
gpi value: 0.76^*
manufacturer: ZOTAC^*
arch name: Kepler 2.0^*
card release date: 2013-05-29^*
proc foundry: TSMC^*
proc process size: 28^* nm

Specifications 2 · 36 fields

CUDA compute capability

3.5^*

DirectX / feature level

12 (11_0)^*

OpenCL

3.0^*

OpenGL

4.6^*

Shader model

6.5 (5.1)^*

Vulkan

1.2.175^*

Architecture

Kepler 2.0^*

Graphics interface

PCIe 2.0 x8^*

Memory bus

64^* bit

Reported shader processors

384^*

Reported theoretical FP32 peak

0.8033^* TFLOPS

Scope and conditions

Arithmetic density: Not stated^*

Reported theoretical FP64 peak

0.0335^* TFLOPS

Scope and conditions

Arithmetic density: Not stated^*

Declared L1 cache configuration

16 KB (per SMX)^*

Declared GPU L2 cache

512 KB^*

Reported display outputs

1x DVI, 1x HDMI 1.4a, 1x VGA^*

Theoretical pixel fill rate

8.368 GPixel/s^*

External power connectors

None^*

Reported chip die area

87 mm²^*

Chip foundry

TSMC^*

Process node declaration

28 nm^*

Transistors

1,020 million^*

Graphics processor

GK208^*

Reported video memory

2^* GB

Rated memory bandwidth

40.06 GB/s^*

Video memory type

GDDR5^*

Raster output units

8^*

Reported shading units

384^*

Card or module format

Single-slot^*

Suggested system PSU

200 W^*

2:4 tensor sparsity

No^*

Declared GPU TDP

49 W^*

Theoretical texture fill rate

33.47 GTexel/s^*

Texture mapping units

32^*

GPU cores

384^*

Video memory

2^* GB

Video memory type

GDDR5^*

* Provisional data