ATI Radeon HD 5770 Mac Edition vs AMD Radeon HD 6670

VS

ATI Radeon HD 5770 Mac Edition

AMD Radeon HD 6670

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 Mac Edition and 1024MB VRAM Radeon HD 6670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5770 Mac Edition 's Advantages

Larger VRAM bandwidth (76.48GB/s vs 64.00GB/s)

320 additional rendering cores

AMD Radeon HD 6670 's Advantages

Released 9 months late

Lower TDP (66W vs 108W)

Score

Benchmark

FP32 (float)

Radeon HD 5770 Mac Edition +77%

1.36 TFLOPS

Radeon HD 6670

0.768 TFLOPS

Radeon HD 5770 Mac Edition

VS

Radeon HD 6670

Graphics Card

Jul 2010

Release Date

Apr 2011

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1195 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

76.48GB/s

Bandwidth

64.00GB/s

Render Config

10

Compute Units

6

-

800

Shading Units

480

40

TMUs

24

16

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

6.400 GPixel/s

34.00 GTexel/s

Texture Rate

19.20 GTexel/s

-

1360 GFLOPS

FP32 (float)

768.0 GFLOPS

-

Board Design

108W

TDP

66W

300 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Juniper

GPU Name

Turks

Juniper XT (215-0754013)

GPU Variant

Turks XT (215-0803000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.716 billion

166 mm²

Die Size

118 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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