AMD Radeon HD 7870 GHz Edition vs ATI Radeon X1600 XT Dual

VS

AMD Radeon HD 7870 GHz Edition

ATI Radeon X1600 XT Dual

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 256MB VRAM Radeon X1600 XT Dual 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

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (153.6GB/s vs 22.08GB/s)

1280 additional rendering cores

Score

Radeon HD 7870 GHz Edition

VS

Radeon X1600 XT Dual

Graphics Card

Mar 2012

Release Date

Unknown

Southern Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

690 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

22.08GB/s

Render Config

20

Compute Units

-

1280

Shading Units

-

80

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

2.360 GPixel/s

80.00 GTexel/s

Texture Rate

2.360 GTexel/s

-

2.560 TFLOPS

FP32 (float)

-

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

Unknown

450 W

Suggested PSU

200 W

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

Outputs

2x DVI

2x 6-pin

Power Connectors

1x Molex

Graphics Processor

Pitcairn

GPU Name

RV530

Pitcairn XT (215-0828047)

GPU Variant

-

GCN 1.0

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

2.8 billion

Transistors

0.157 billion

212 mm²

Die Size

150 mm²

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

3.0

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