ATI FirePro V7900 SDI vs AMD FireStream 9250

VS

ATI FirePro V7900 SDI

AMD FireStream 9250

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 SDI and 1024MB VRAM FireStream 9250 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 11 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 63.55GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

FirePro V7900 SDI +85%

1.856 TFLOPS

FireStream 9250

1 TFLOPS

FirePro V7900 SDI

VS

FireStream 9250

Graphics Card

May 2011

Release Date

Jun 2008

FirePro

Generation

FireStream

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

993 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

63.55GB/s

Render Config

20

Compute Units

10

-

1280

Shading Units

800

80

TMUs

40

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

10.00 GPixel/s

58.00 GTexel/s

Texture Rate

25.00 GTexel/s

-

1.856 TFLOPS

FP32 (float)

1000 GFLOPS

464.0 GFLOPS

FP64 (double)

200.0 GFLOPS

Board Design

150W

TDP

150W

450 W

Suggested PSU

450 W

4x SDI

Outputs

1x DVI

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cayman

GPU Name

RV770

Cayman PRO GL

GPU Variant

RV770 PRO

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.64 billion

Transistors

0.956 billion

389 mm²

Die Size

256 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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