NVIDIA GeForce GT 640 OEM Rebrand vs ATI FirePro V3700

VS

NVIDIA GeForce GT 640 OEM Rebrand

ATI FirePro V3700

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 256MB VRAM FirePro V3700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Released 3 years and 8 months late

More VRAM (1536GB vs 256GB)

Larger VRAM bandwidth (38.40GB/s vs 15.20GB/s)

104 additional rendering cores

ATI FirePro V3700 's Advantages

Lower TDP (32W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand +548%

0.415 TFLOPS

FirePro V3700

0.064 TFLOPS

GeForce GT 640 OEM Rebrand

VS

FirePro V3700

Graphics Card

Apr 2012

Release Date

Aug 2008

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

950 MHz

Memory

1536MB

Memory Size

256MB

DDR3

Memory Type

GDDR3

192bit

Memory Bus

64bit

38.40GB/s

Bandwidth

15.20GB/s

Render Config

-

Compute Units

2

3

SM Count

-

144

Shading Units

40

24

TMUs

4

24

ROPs

4

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

64 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

3.200 GPixel/s

17.28 GTexel/s

Texture Rate

3.200 GTexel/s

-

414.7 GFLOPS

FP32 (float)

64.00 GFLOPS

34.56 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

32W

250 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI

None

Power Connectors

None

Graphics Processor

GF116

GPU Name

RV620

GF116-150-A1

GPU Variant

RV620 GL (215-0670004)

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.17 billion

Transistors

0.181 billion

238 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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