AMD Radeon HD 7970 vs ATI Radeon X550 XT

VS

AMD Radeon HD 7970

ATI Radeon X550 XT

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 128MB VRAM Radeon X550 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Released 4 years and 11 months late

More VRAM (3GB vs 128GB)

Larger VRAM bandwidth (264.0GB/s vs 9.600GB/s)

2048 additional rendering cores

Score

Radeon HD 7970

VS

Radeon X550 XT

Graphics Card

Dec 2011

Release Date

Jan 2007

Southern Islands

Generation

Radeon R300

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

300 MHz

Memory

3GB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

9.600GB/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

29.60 GPixel/s

Pixel Rate

1.600 GPixel/s

118.4 GTexel/s

Texture Rate

1.600 GTexel/s

-

3.789 TFLOPS

FP32 (float)

-

947.2 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

Unknown

600 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

RV410

Tahiti XT (215-0821060)

GPU Variant

-

GCN 1.0

Architecture

R400

TSMC

Foundry

TSMC

28 nm

Process Size

110 nm

4.313 billion

Transistors

0.12 billion

352 mm²

Die Size

156 mm²

Graphics Features

12 (11_1)

DirectX

9.0b (9_2)

4.6

OpenGL

2.0

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

-

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