ATI FirePro V7900 SDI vs NVIDIA GeForce 8800 GT

VS

ATI FirePro V7900 SDI

NVIDIA GeForce 8800 GT

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 SDI and 512MB VRAM GeForce 8800 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 3 years and 7 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 57.60GB/s)

1168 additional rendering cores

NVIDIA GeForce 8800 GT 's Advantages

Lower TDP (125W vs 150W)

Score

Benchmark

FP32 (float)

FirePro V7900 SDI +452%

1.856 TFLOPS

GeForce 8800 GT

0.336 TFLOPS

FirePro V7900 SDI

VS

GeForce 8800 GT

Graphics Card

May 2011

Release Date

Oct 2007

FirePro

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

57.60GB/s

Render Config

20

Compute Units

-

SM Count

14

1280

Shading Units

112

80

TMUs

56

32

ROPs

16

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

9.600 GPixel/s

58.00 GTexel/s

Texture Rate

33.60 GTexel/s

-

1.856 TFLOPS

FP32 (float)

336.0 GFLOPS

464.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

125W

450 W

Suggested PSU

300 W

4x SDI

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cayman

GPU Name

G92

Cayman PRO GL

GPU Variant

G92-270-A2

TeraScale 3

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

2.64 billion

Transistors

0.754 billion

389 mm²

Die Size

324 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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