AMD Radeon HD 7970 vs ATI Radeon X800 GTO AGP

VS

AMD Radeon HD 7970

ATI Radeon X800 GTO AGP

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 256MB VRAM Radeon X800 GTO AGP 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 1 months late

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (264.0GB/s vs 31.36GB/s)

2048 additional rendering cores

ATI Radeon X800 GTO AGP 's Advantages

Lower TDP (49W vs 250W)

Score

Radeon HD 7970

VS

Radeon X800 GTO AGP

Graphics Card

Dec 2011

Release Date

Nov 2007

Southern Islands

Generation

Radeon R400 AGP

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

1375 MHz

Memory Clock

490 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

31.36GB/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

250W

TDP

49W

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

1x Molex

Graphics Processor

Tahiti

GPU Name

R420

Tahiti XT (215-0821060)

GPU Variant

R420 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

281 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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