Home NVIDIA GeForce GT 640

NVIDIA GeForce GT 640

This is a GPU manufactured with TSMC 28nm process, based on Nvidia Kepler architecture and released on Jun 2012. It features 1.27 billion transistors, 384 CUDA cores and 2GB DDR3 memory, with 256KB L2 cache, theoretical performance of 692.7GFLOPS, with total power consumption of 65W.

Graphics Card

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Release Date
Jun 2012
Generation
GeForce 600
Type
Desktop
Bus Interface
PCIe 3.0 x16

Clock Speeds

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Memory Clock
891 MHz

Memory

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Memory Size
2GB
Memory Type
DDR3
Memory Bus
128bit
Bandwidth
28.51GB/s

Render Config

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Shading Units
384
TMUs
32
ROPs
16
L1 Cache
16 KB (per SMX)
L2 Cache
256 KB

Theoretical Performance

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Pixel Rate
7.216 GPixel/s
Texture Rate
28.86 GTexel/s
FP32 (float)
692.7 GFLOPS
FP64 (double)
28.86 GFLOPS

Graphics Processor

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GPU Name
GK107
GPU Variant
GK107-300-A2
Architecture
Kepler
Foundry
TSMC
Process Size
28 nm
Transistors
1.27 billion
Die Size
118 mm²

Board Design

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TDP
65W
Suggested PSU
250 W
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Power Connectors
None

Graphics Features

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DirectX
12 (11_0)
OpenGL
4.6
OpenCL
3.0
Vulkan
1.1
CUDA
3.0
Shader Model
5.1

Rankings

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FP32 (float)
AMD FirePro A300 System Shared System Shared
0.695 TFLOPS
NVIDIA GeForce GT 640 2 GB DDR3
0.693 TFLOPS
NVIDIA GeForce GT 730 OEM 1024 MB GDDR5
0.693 TFLOPS
NVIDIA GeForce GT 630 Rev. 2 2 GB DDR3
0.693 TFLOPS
NVIDIA GeForce GT 630 Rev. 2 PCIe x8 2 GB DDR3
0.693 TFLOPS
AMD FirePro M4000 1024 MB GDDR5
0.691 TFLOPS
NVIDIA GeForce GT 650M Mac Edition 512 MB GDDR5
0.691 TFLOPS
Blender
NVIDIA GeForce GT 740M 2 GB DDR3
41
NVIDIA Quadro K2000M 2 GB DDR3
35
NVIDIA Quadro K1100M 2 GB GDDR5
33
NVIDIA GeForce GT 640 2 GB DDR3
32
NVIDIA GeForce GT 710 1024 MB DDR3
31
NVIDIA Quadro K1000M 2 GB DDR3
21
OctaneBench
NVIDIA GeForce GTX 1080 Max Q 8 GB GDDR5X
10
NVIDIA GeForce 920MX 2 GB DDR3
10
NVIDIA Quadro P400 2 GB GDDR5
9
NVIDIA GeForce GT 640 2 GB DDR3
8
NVIDIA GeForce GT 710 1024 MB DDR3
6
NVIDIA NVS 510 2 GB DDR3
5
NVIDIA GeForce 940MX 2 GB DDR3
4

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NVIDIA GeForce GT 640 vs ATI Radeon HD 5490
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NVIDIA GeForce GT 640 vs ATI Radeon HD 4770
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NVIDIA GeForce GT 640 vs ATI FirePro 2270
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