AMD Radeon HD 7970 X2 vs ATI Radeon X800 GTO

VS

AMD Radeon HD 7970 X2

ATI Radeon X800 GTO

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 128MB VRAM Radeon X800 GTO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 X2 's Advantages

Released 4 years and 8 months late

More VRAM (3GB vs 128GB)

Larger VRAM bandwidth (264.0GB/s vs 22.40GB/s)

2048 additional rendering cores

ATI Radeon X800 GTO 's Advantages

Lower TDP (49W vs 500W)

Score

Radeon HD 7970 X2

VS

Radeon X800 GTO

Graphics Card

Aug 2012

Release Date

Dec 2007

Southern Islands

Generation

Radeon R400 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

350 MHz

Memory

3GB

Memory Size

128MB

GDDR5

Memory Type

DDR

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

22.40GB/s

Render Config

32

Compute Units

-

2048

Shading Units

-

128

TMUs

12

32

ROPs

12

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

4.800 GPixel/s

118.4 GTexel/s

Texture Rate

4.800 GTexel/s

-

3.789 TFLOPS

FP32 (float)

-

947.2 GFLOPS

FP64 (double)

-

Board Design

500W

TDP

49W

900 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

3x 8-pin

Power Connectors

-

Graphics Processor

New Zealand

GPU Name

R423

-

GPU Variant

R423 GTO

GCN 1.0

Architecture

R400

TSMC

Foundry

TSMC

28 nm

Process Size

130 nm

4.313 billion

Transistors

0.16 billion

352 mm²

Die Size

289 mm²

Graphics Features

12 (11_1)

DirectX

9.0b (9_2)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

-

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