AMD Radeon HD 7870 GHz Edition vs ATI Radeon X800 GTO AGP

VS

AMD Radeon HD 7870 GHz Edition

ATI Radeon X800 GTO AGP

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition 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 7870 GHz Edition 's Advantages

Released 4 years and 4 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (153.6GB/s vs 31.36GB/s)

1280 additional rendering cores

ATI Radeon X800 GTO AGP 's Advantages

Lower TDP (49W vs 175W)

Score

Radeon HD 7870 GHz Edition

VS

Radeon X800 GTO AGP

Graphics Card

Mar 2012

Release Date

Nov 2007

Southern Islands

Generation

Radeon R400 AGP

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

1200 MHz

Memory Clock

490 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

31.36GB/s

Render Config

20

Compute Units

-

1280

Shading Units

-

80

TMUs

12

32

ROPs

12

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

4.800 GPixel/s

80.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

2.560 TFLOPS

FP32 (float)

-

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

49W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

1x Molex

Graphics Processor

Pitcairn

GPU Name

R420

Pitcairn XT (215-0828047)

GPU Variant

R420 GTO

GCN 1.0

Architecture

R400

TSMC

Foundry

TSMC

28 nm

Process Size

130 nm

2.8 billion

Transistors

0.16 billion

212 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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