NVIDIA GeForce GT 640 OEM Rebrand vs ATI FirePro V9800

VS

NVIDIA GeForce GT 640 OEM Rebrand

ATI FirePro V9800

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 4GB VRAM FirePro V9800 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 1 years and 7 months late

Lower TDP (75W vs 250W)

ATI FirePro V9800 's Advantages

More VRAM (4GB vs 1536GB)

Larger VRAM bandwidth (147.2GB/s vs 38.40GB/s)

1456 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

FirePro V9800 +555%

2.72 TFLOPS

GeForce GT 640 OEM Rebrand

VS

FirePro V9800

Graphics Card

Apr 2012

Release Date

Sep 2010

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1150 MHz

Memory

1536MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

147.2GB/s

Render Config

-

Compute Units

20

3

SM Count

-

144

Shading Units

1600

24

TMUs

80

24

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

27.20 GPixel/s

17.28 GTexel/s

Texture Rate

68.00 GTexel/s

-

414.7 GFLOPS

FP32 (float)

2.720 TFLOPS

34.56 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

75W

TDP

250W

250 W

Suggested PSU

600 W

2x DVI 1x mini-HDMI 1.3a

Outputs

6x mini-DisplayPort 1.1 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF116

GPU Name

Cypress

GF116-150-A1

GPU Variant

Cypress XT GL

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.17 billion

Transistors

2.154 billion

238 mm²

Die Size

334 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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