AMD Radeon HD 7770 GHz Edition vs AMD Radeon HD 6570 OEM

VS

AMD Radeon HD 7770 GHz Edition

AMD Radeon HD 6570 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 1024MB VRAM Radeon HD 6570 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770 GHz Edition 's Advantages

Released 1 years late

Larger VRAM bandwidth (72.00GB/s vs 28.80GB/s)

160 additional rendering cores

AMD Radeon HD 6570 OEM 's Advantages

Lower TDP (44W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition +105%

1.28 TFLOPS

Radeon HD 6570 OEM

0.624 TFLOPS

Radeon HD 7770 GHz Edition

VS

Radeon HD 6570 OEM

Graphics Card

Feb 2012

Release Date

Feb 2011

Southern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

28.80GB/s

Render Config

10

Compute Units

6

-

640

Shading Units

480

40

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

5.200 GPixel/s

40.00 GTexel/s

Texture Rate

15.60 GTexel/s

-

1280 GFLOPS

FP32 (float)

624.0 GFLOPS

80.00 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

44W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

Turks

Cape Verde XT

GPU Variant

Turks PRO-G

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.716 billion

123 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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