ATI Radeon HD 5870 Mac Edition vs AMD Radeon HD 6670

VS

ATI Radeon HD 5870 Mac Edition AMD Radeon HD 6670

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 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 5870 Mac Edition 's Advantages

Larger VRAM bandwidth (153.0GB/s vs 64.00GB/s)

1120 additional rendering cores

AMD Radeon HD 6670 's Advantages

Released 10 months late

Lower TDP (66W vs 228W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 Mac Edition +254%

2.72 TFLOPS

Radeon HD 6670

0.768 TFLOPS

Radeon HD 5870 Mac Edition

VS

Radeon HD 6670

Graphics Card

Jun 2010

Release Date

Apr 2011

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1195 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

20

Compute Units

6

1600

Shading Units

480

80

TMUs

24

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

6.400 GPixel/s

68.00 GTexel/s

Texture Rate

19.20 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

768.0 GFLOPS

544.0 GFLOPS

FP64 (double)

-

Graphics Processor

Cypress

GPU Name

Turks

Cypress XT (215-0735033)

GPU Variant

Turks XT (215-0803000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

0.716 billion

334 mm²

Die Size

118 mm²

Board Design

228W

TDP

66W

550 W

Suggested PSU

250 W

1x DVI 2x mini-DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

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

-

CUDA

-

5.0

Shader Model

5.0

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