ATI FirePro V3900 vs NVIDIA GeForce GT 640

VS

ATI FirePro V3900

NVIDIA GeForce GT 640

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

Main Differences

ATI FirePro V3900 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 28.51GB/s)

96 additional rendering cores

Lower TDP (50W vs 65W)

NVIDIA GeForce GT 640 's Advantages

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

FirePro V3900

0.624 TFLOPS

GeForce GT 640 +11%

0.693 TFLOPS

FirePro V3900

VS

GeForce GT 640

Graphics Card

Feb 2012

Release Date

Jun 2012

FirePro

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

891 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

28.51GB/s

Render Config

6

Compute Units

-

480

Shading Units

384

24

TMUs

32

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

7.216 GPixel/s

15.60 GTexel/s

Texture Rate

28.86 GTexel/s

-

624.0 GFLOPS

FP32 (float)

692.7 GFLOPS

-

FP64 (double)

28.86 GFLOPS

Board Design

50W

TDP

65W

250 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

None

Graphics Processor

Turks

GPU Name

GK107

Turks GL

GPU Variant

GK107-300-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.27 billion

118 mm²

Die Size

118 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

3.0

5.0

Shader Model

5.1

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