AMD Radeon HD 6970 vs ATI Radeon HD 4570 Rebrand

VS

AMD Radeon HD 6970

ATI Radeon HD 4570 Rebrand

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 1024MB VRAM Radeon HD 4570 Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 's Advantages

Released 1 years and 1 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (176.0GB/s vs 12.67GB/s)

1416 additional rendering cores

ATI Radeon HD 4570 Rebrand 's Advantages

Lower TDP (65W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 +1315%

2.703 TFLOPS

Radeon HD 4570 Rebrand

0.191 TFLOPS

Radeon HD 6970

VS

Radeon HD 4570 Rebrand

Graphics Card

Dec 2010

Release Date

Nov 2009

Northern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

396 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

12.67GB/s

Render Config

24

Compute Units

3

-

1536

Shading Units

120

96

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

128 KB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

3.184 GPixel/s

84.48 GTexel/s

Texture Rate

6.368 GTexel/s

-

2.703 TFLOPS

FP32 (float)

191.0 GFLOPS

675.8 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

65W

600 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

Cayman

GPU Name

RV635

Cayman XT (215-0807007)

GPU Variant

RV635 PRO (215-0682008)

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.64 billion

Transistors

0.378 billion

389 mm²

Die Size

135 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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