AMD Radeon HD 6570 vs AMD Radeon HD 6870

VS

AMD Radeon HD 6570

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6570 and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6570 's Advantages

Released 6 months late

More VRAM (2GB vs 1024GB)

Lower TDP (60W vs 151W)

AMD Radeon HD 6870 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 64.00GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6570

0.624 TFLOPS

Radeon HD 6870 +223%

2.016 TFLOPS

Radeon HD 6570

VS

Radeon HD 6870

Graphics Card

Apr 2011

Release Date

Oct 2010

Northern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1050 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

134.4GB/s

Render Config

6

Compute Units

14

-

480

Shading Units

1120

24

TMUs

56

8

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

28.80 GPixel/s

15.60 GTexel/s

Texture Rate

50.40 GTexel/s

-

624.0 GFLOPS

FP32 (float)

2.016 TFLOPS

-

Board Design

60W

TDP

151W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

2x 6-pin

Graphics Processor

Turks

GPU Name

Barts

Turks PRO (215-0803002)

GPU Variant

Barts XT (215-0798000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

1.7 billion

118 mm²

Die Size

255 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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