NVIDIA GeForce GT 640 Rev. 2 vs ATI FireGL V3600

VS

NVIDIA GeForce GT 640 Rev. 2 ATI FireGL V3600

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 640 Rev. 2 and 256MB VRAM FireGL V3600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Released 5 years and 11 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (40.06GB/s vs 16.00GB/s)

264 additional rendering cores

Lower TDP (49W vs 73W)

Score

Benchmark

FP32 (float)

GeForce GT 640 Rev. 2 +457%

0.803 TFLOPS

FireGL V3600

0.144 TFLOPS

GeForce GT 640 Rev. 2

VS

FireGL V3600

Graphics Card

May 2013

Release Date

Jun 2007

GeForce 600

Generation

FireGL

Desktop

Type

Desktop

PCIe 2.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1252 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

64bit

Memory Bus

128bit

40.06GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

Compute Units

3

384

Shading Units

120

32

TMUs

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

64 KB

Theoretical Performance

8.368 GPixel/s

Pixel Rate

2.400 GPixel/s

33.47 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

803.3 GFLOPS

FP32 (float)

144.0 GFLOPS

33.47 GFLOPS

FP64 (double)

-

Graphics Processor

GK208

GPU Name

RV630

GK208-400-A1

GPU Variant

RV630 GL

Kepler 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

1.02 billion

Transistors

0.39 billion

87 mm²

Die Size

153 mm²

Board Design

49W

TDP

73W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

4.0

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