AMD Radeon HD 6770 vs ATI Radeon HD 5830

VS

AMD Radeon HD 6770

ATI Radeon HD 5830

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 1024MB VRAM Radeon HD 5830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 's Advantages

Released 11 months late

Lower TDP (108W vs 175W)

ATI Radeon HD 5830 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 76.80GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6770

1.36 TFLOPS

Radeon HD 5830 +31%

1.792 TFLOPS

Radeon HD 6770

VS

Radeon HD 5830

Graphics Card

Jan 2011

Release Date

Feb 2010

Northern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

76.80GB/s

Bandwidth

128.0GB/s

Render Config

10

Compute Units

14

-

800

Shading Units

1120

40

TMUs

56

16

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

12.80 GPixel/s

34.00 GTexel/s

Texture Rate

44.80 GTexel/s

-

1360 GFLOPS

FP32 (float)

1.792 TFLOPS

-

FP64 (double)

358.4 GFLOPS

Board Design

108W

TDP

175W

300 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Juniper

GPU Name

Cypress

Juniper XT (215-0754013)

GPU Variant

Cypress LE (215-0735047)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

2.154 billion

166 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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