ATI FirePro V3900 vs NVIDIA GeForce GT 640 Rev. 2

VS

ATI FirePro V3900

NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM FirePro V3900 and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V3900 's Advantages

96 additional rendering cores

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Released 1 years and 3 months late

Larger VRAM bandwidth (40.06GB/s vs 28.80GB/s)

Lower TDP (49W vs 50W)

Score

Benchmark

FP32 (float)

FirePro V3900

0.624 TFLOPS

GeForce GT 640 Rev. 2 +28%

0.803 TFLOPS

FirePro V3900

VS

GeForce GT 640 Rev. 2

Graphics Card

Feb 2012

Release Date

May 2013

FirePro

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

900 MHz

Memory Clock

1252 MHz

Memory

1024MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

40.06GB/s

Render Config

6

Compute Units

-

480

Shading Units

384

24

TMUs

32

8

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

8.368 GPixel/s

15.60 GTexel/s

Texture Rate

33.47 GTexel/s

-

624.0 GFLOPS

FP32 (float)

803.3 GFLOPS

-

FP64 (double)

33.47 GFLOPS

Board Design

50W

TDP

49W

250 W

Suggested PSU

200 W

1x DVI 1x DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Processor

Turks

GPU Name

GK208

Turks GL

GPU Variant

GK208-400-A1

TeraScale 2

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.02 billion

118 mm²

Die Size

87 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

5.0

Shader Model

5.1

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