ATI FirePro V7800P vs NVIDIA GeForce 8400 GS

VS

ATI FirePro V7800P

NVIDIA GeForce 8400 GS

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7800P and 256MB VRAM GeForce 8400 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7800P 's Advantages

Released 4 years and 1 months late

More VRAM (2GB vs 256GB)

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

1424 additional rendering cores

NVIDIA GeForce 8400 GS 's Advantages

Lower TDP (40W vs 138W)

Score

Benchmark

FP32 (float)

FirePro V7800P +6851%

2.016 TFLOPS

GeForce 8400 GS

0.029 TFLOPS

FirePro V7800P

VS

GeForce 8400 GS

Graphics Card

May 2011

Release Date

Apr 2007

FirePro

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

6.400GB/s

Render Config

18

Compute Units

-

SM Count

2

1440

Shading Units

16

72

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 KB

-

Theoretical Performance

22.40 GPixel/s

Pixel Rate

1.836 GPixel/s

50.40 GTexel/s

Texture Rate

3.672 GTexel/s

-

2.016 TFLOPS

FP32 (float)

29.38 GFLOPS

403.2 GFLOPS

FP64 (double)

-

Board Design

138W

TDP

40W

300 W

Suggested PSU

200 W

1x DisplayPort 1.1

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

Cypress

GPU Name

G86

Cypress PRO GL

GPU Variant

G86-213-A2

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

2.154 billion

Transistors

0.21 billion

334 mm²

Die Size

127 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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