ATI FirePro V7900 SDI vs NVIDIA GeForce 8800 Ultra

VS

ATI FirePro V7900 SDI

NVIDIA GeForce 8800 Ultra

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 SDI and 768MB VRAM GeForce 8800 Ultra to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 SDI 's Advantages

Released 4 years late

More VRAM (2GB vs 768GB)

Larger VRAM bandwidth (160.0GB/s vs 103.7GB/s)

1152 additional rendering cores

Lower TDP (150W vs 171W)

Score

Benchmark

FP32 (float)

FirePro V7900 SDI +379%

1.856 TFLOPS

GeForce 8800 Ultra

0.387 TFLOPS

FirePro V7900 SDI

VS

GeForce 8800 Ultra

Graphics Card

May 2011

Release Date

May 2007

FirePro

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1080 MHz

Memory

2GB

Memory Size

768MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

384bit

160.0GB/s

Bandwidth

103.7GB/s

Render Config

20

Compute Units

-

SM Count

16

1280

Shading Units

128

80

TMUs

32

ROPs

24

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

96 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

14.69 GPixel/s

58.00 GTexel/s

Texture Rate

39.17 GTexel/s

-

1.856 TFLOPS

FP32 (float)

387.1 GFLOPS

464.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

171W

450 W

Suggested PSU

450 W

4x SDI

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cayman

GPU Name

G80

Cayman PRO GL

GPU Variant

G80-450-A3

TeraScale 3

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

90 nm

2.64 billion

Transistors

0.681 billion

389 mm²

Die Size

484 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1 (1.0)

N/A

Vulkan

N/A

-

CUDA

1.0

5.0

Shader Model

4.0

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