AMD Radeon HD 6770 vs ATI Radeon HD 5470

VS

AMD Radeon HD 6770

ATI Radeon HD 5470

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 512MB VRAM Radeon HD 5470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (76.80GB/s vs 6.400GB/s)

720 additional rendering cores

ATI Radeon HD 5470 's Advantages

Released 1 years and 1 months late

Lower TDP (19W vs 108W)

Score

Benchmark

FP32 (float)

Radeon HD 6770 +1207%

1.36 TFLOPS

Radeon HD 5470

0.104 TFLOPS

Radeon HD 6770

VS

Radeon HD 5470

Graphics Card

Jan 2011

Release Date

Feb 2012

Northern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

6.400GB/s

Render Config

10

Compute Units

2

-

800

Shading Units

80

40

TMUs

8

16

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

2.600 GPixel/s

34.00 GTexel/s

Texture Rate

5.200 GTexel/s

-

1360 GFLOPS

FP32 (float)

104.0 GFLOPS

-

Board Design

108W

TDP

19W

300 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Juniper

GPU Name

Cedar

Juniper XT (215-0754013)

GPU Variant

Cedar PRO

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.292 billion

166 mm²

Die Size

59 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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