AMD Radeon HD 6570 vs ATI Radeon HD 3870 X2

VS

AMD Radeon HD 6570

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6570 and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6570 's Advantages

Released 3 years and 3 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 57.66GB/s)

160 additional rendering cores

Lower TDP (60W vs 165W)

Score

Benchmark

FP32 (float)

Radeon HD 6570 +18%

0.624 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

Radeon HD 6570

VS

Radeon HD 3870 X2

Graphics Card

Apr 2011

Release Date

Jan 2008

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

901 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

57.66GB/s

Render Config

6

Compute Units

4

-

480

Shading Units

320

24

TMUs

16

8

ROPs

16

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

13.20 GPixel/s

15.60 GTexel/s

Texture Rate

13.20 GTexel/s

-

624.0 GFLOPS

FP32 (float)

528.0 GFLOPS

-

FP64 (double)

105.6 GFLOPS

Board Design

60W

TDP

165W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Turks

GPU Name

R680

Turks PRO (215-0803002)

GPU Variant

R680 XT (215-0708017)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.716 billion

Transistors

0.666 billion

118 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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