AMD Radeon HD 7970 GHz Edition vs ATI Radeon X1550

VS

AMD Radeon HD 7970 GHz Edition

ATI Radeon X1550

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition and 256MB VRAM Radeon X1550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 GHz Edition 's Advantages

Released 5 years and 5 months late

Boost Clock1050MHz

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (288.0GB/s vs 12.80GB/s)

2048 additional rendering cores

ATI Radeon X1550 's Advantages

Lower TDP (27W vs 300W)

Score

Radeon HD 7970 GHz Edition

VS

Radeon X1550

Graphics Card

Jun 2012

Release Date

Jan 2007

Southern Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1050 MHz

Boost Clock

-

1500 MHz

Memory Clock

400 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

12.80GB/s

Render Config

32

Compute Units

-

2048

Shading Units

-

128

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

2.200 GPixel/s

134.4 GTexel/s

Texture Rate

2.200 GTexel/s

-

4.301 TFLOPS

FP32 (float)

-

1075 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

27W

700 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

RV516

Tahiti XT2 (215-0821065)

GPU Variant

-

GCN 1.0

Architecture

R500

TSMC

Foundry

UMC

28 nm

Process Size

80 nm

4.313 billion

Transistors

0.107 billion

352 mm²

Die Size

100 mm²

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

3.0

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