ATI FirePro V7900 vs ATI Radeon X1550

VS

ATI FirePro V7900

ATI Radeon X1550

We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 and 256MB VRAM Radeon X1550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 's Advantages

Released 4 years and 4 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (160.0GB/s vs 12.80GB/s)

1280 additional rendering cores

ATI Radeon X1550 's Advantages

Lower TDP (27W vs 150W)

Score

FirePro V7900

VS

Radeon X1550

Graphics Card

May 2011

Release Date

Jan 2007

FirePro

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

12.80GB/s

Render Config

20

Compute Units

-

1280

Shading Units

-

80

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

2.200 GPixel/s

58.00 GTexel/s

Texture Rate

2.200 GTexel/s

-

1.856 TFLOPS

FP32 (float)

-

464.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

27W

450 W

Suggested PSU

200 W

4x DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

RV516

Cayman PRO GL

GPU Variant

-

TeraScale 3

Architecture

R500

TSMC

Foundry

UMC

40 nm

Process Size

80 nm

2.64 billion

Transistors

0.107 billion

389 mm²

Die Size

100 mm²

Graphics Features

11.2 (11_0)

DirectX

9.0c (9_3)

4.4

OpenGL

2.1

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

3.0

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