AMD Radeon HD 7970 X2 vs ATI Radeon X800 GT AGP

VS

AMD Radeon HD 7970 X2 ATI Radeon X800 GT AGP

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 256MB VRAM Radeon X800 GT AGP 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 9 months late

Larger VRAM bandwidth (264.0GB/s vs 31.55GB/s)

2048 additional rendering cores

ATI Radeon X800 GT AGP 's Advantages

Lower TDP (40W vs 500W)

Score

Radeon HD 7970 X2

VS

Radeon X800 GT AGP

Graphics Card

Aug 2012

Release Date

Nov 2007

Southern Islands

Generation

Radeon R400 AGP

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

493 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

31.55GB/s

Render Config

-

SM Count

-

32

Compute Units

-

2048

Shading Units

-

128

TMUs

8

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

3.784 GPixel/s

118.4 GTexel/s

Texture Rate

3.784 GTexel/s

-

FP16 (half)

-

3.789 TFLOPS

FP32 (float)

-

947.2 GFLOPS

FP64 (double)

-

Graphics Processor

New Zealand

GPU Name

R420

-

GPU Variant

R420 GT (215RAACGA12F)

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

Board Design

500W

TDP

40W

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

1x Molex

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

-

CUDA

-

5.1

Shader Model

-

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