NVIDIA GeForce GT 640 vs ATI FirePro V3800

VS

NVIDIA GeForce GT 640

ATI FirePro V3800

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 512MB VRAM FirePro V3800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Released 2 years and 2 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (28.51GB/s vs 14.40GB/s)

ATI FirePro V3800 's Advantages

16 additional rendering cores

Lower TDP (43W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GT 640 +33%

0.693 TFLOPS

FirePro V3800

0.52 TFLOPS

GeForce GT 640

VS

FirePro V3800

Graphics Card

Jun 2012

Release Date

Apr 2010

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

891 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.51GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

5

-

384

Shading Units

400

32

TMUs

20

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

5.200 GPixel/s

28.86 GTexel/s

Texture Rate

13.00 GTexel/s

-

692.7 GFLOPS

FP32 (float)

520.0 GFLOPS

28.86 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

43W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x DisplayPort 1.1

None

Power Connectors

None

Graphics Processor

GK107

GPU Name

Redwood

GK107-300-A2

GPU Variant

Redwood PRO GL

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.627 billion

118 mm²

Die Size

104 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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