ATI FirePro V7900 SDI vs NVIDIA GeForce 9400 GT

VS

ATI FirePro V7900 SDI

NVIDIA GeForce 9400 GT

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 SDI and 128MB VRAM GeForce 9400 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 SDI 's Advantages

Released 2 years and 9 months late

More VRAM (2GB vs 128GB)

Larger VRAM bandwidth (160.0GB/s vs 9.600GB/s)

1264 additional rendering cores

NVIDIA GeForce 9400 GT 's Advantages

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

FirePro V7900 SDI +6300%

1.856 TFLOPS

GeForce 9400 GT

0.029 TFLOPS

FirePro V7900 SDI

VS

GeForce 9400 GT

Graphics Card

May 2011

Release Date

Aug 2008

FirePro

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

128MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

9.600GB/s

Render Config

20

Compute Units

-

SM Count

2

1280

Shading Units

16

80

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

1.836 GPixel/s

58.00 GTexel/s

Texture Rate

3.672 GTexel/s

-

1.856 TFLOPS

FP32 (float)

29.38 GFLOPS

464.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

50W

450 W

Suggested PSU

250 W

4x SDI

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

G86

Cayman PRO GL

GPU Variant

-

TeraScale 3

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

2.64 billion

Transistors

0.21 billion

389 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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