AMD Radeon HD 6670 vs ATI Radeon HD 5850

VS

AMD Radeon HD 6670

ATI Radeon HD 5850

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 and 1024MB VRAM Radeon HD 5850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670 's Advantages

Released 1 years and 7 months late

Lower TDP (66W vs 151W)

ATI Radeon HD 5850 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 64.00GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670

0.768 TFLOPS

Radeon HD 5850 +171%

2.088 TFLOPS

Radeon HD 6670

VS

Radeon HD 5850

Graphics Card

Apr 2011

Release Date

Sep 2009

Northern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

128.0GB/s

Render Config

6

Compute Units

18

-

480

Shading Units

1440

24

TMUs

72

8

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

23.20 GPixel/s

19.20 GTexel/s

Texture Rate

52.20 GTexel/s

-

768.0 GFLOPS

FP32 (float)

2.088 TFLOPS

-

FP64 (double)

417.6 GFLOPS

Board Design

66W

TDP

151W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

None

Power Connectors

2x 6-pin

Graphics Processor

Turks

GPU Name

Cypress

Turks XT (215-0803000)

GPU Variant

Cypress PRO (215-0735043)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

2.154 billion

118 mm²

Die Size

334 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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