ATI Radeon HD 5670 vs AMD Radeon HD 6770

VS

ATI Radeon HD 5670

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5670 and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5670 's Advantages

Lower TDP (64W vs 108W)

AMD Radeon HD 6770 's Advantages

Released 1 years late

Larger VRAM bandwidth (76.80GB/s vs 64.00GB/s)

400 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5670

0.62 TFLOPS

Radeon HD 6770 +119%

1.36 TFLOPS

Radeon HD 5670

VS

Radeon HD 6770

Graphics Card

Jan 2010

Release Date

Jan 2011

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

76.80GB/s

Render Config

5

Compute Units

10

-

400

Shading Units

800

20

TMUs

40

8

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

6.200 GPixel/s

Pixel Rate

13.60 GPixel/s

15.50 GTexel/s

Texture Rate

34.00 GTexel/s

-

620.0 GFLOPS

FP32 (float)

1360 GFLOPS

-

Board Design

64W

TDP

108W

250 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

Redwood

GPU Name

Juniper

Redwood XT (215-0757002)

GPU Variant

Juniper XT (215-0754013)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

1.04 billion

104 mm²

Die Size

166 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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