ATI FirePro V7800 vs NVIDIA GeForce 8400 GS Rev. 2

VS

ATI FirePro V7800

NVIDIA GeForce 8400 GS Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7800 and 512MB VRAM GeForce 8400 GS Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7800 's Advantages

Released 2 years and 4 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 6.400GB/s)

1432 additional rendering cores

NVIDIA GeForce 8400 GS Rev. 2 's Advantages

Lower TDP (25W vs 150W)

Score

Benchmark

FP32 (float)

FirePro V7800 +9063%

2.016 TFLOPS

GeForce 8400 GS Rev. 2

0.022 TFLOPS

FirePro V7800

VS

GeForce 8400 GS Rev. 2

Graphics Card

Apr 2010

Release Date

Dec 2007

FirePro

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

6.400GB/s

Render Config

18

Compute Units

-

SM Count

1

1440

Shading Units

8

72

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 KB

-

Theoretical Performance

22.40 GPixel/s

Pixel Rate

2.268 GPixel/s

50.40 GTexel/s

Texture Rate

2.268 GTexel/s

-

2.016 TFLOPS

FP32 (float)

22.40 GFLOPS

403.2 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

25W

450 W

Suggested PSU

200 W

1x DVI 2x DisplayPort 1.1

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

Cypress

GPU Name

G98

Cypress PRO GL

GPU Variant

-

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

2.154 billion

Transistors

0.21 billion

334 mm²

Die Size

86 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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