ATI Radeon HD 5830 vs AMD Radeon HD 6770

VS

ATI Radeon HD 5830

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5830 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 5830 's Advantages

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

320 additional rendering cores

AMD Radeon HD 6770 's Advantages

Released 11 months late

Lower TDP (108W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 5830 +31%

1.792 TFLOPS

Radeon HD 6770

1.36 TFLOPS

Radeon HD 5830

VS

Radeon HD 6770

Graphics Card

Feb 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

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

76.80GB/s

Render Config

14

Compute Units

10

-

1120

Shading Units

800

56

TMUs

40

16

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

13.60 GPixel/s

44.80 GTexel/s

Texture Rate

34.00 GTexel/s

-

1.792 TFLOPS

FP32 (float)

1360 GFLOPS

358.4 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

108W

450 W

Suggested PSU

300 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cypress

GPU Name

Juniper

Cypress LE (215-0735047)

GPU Variant

Juniper XT (215-0754013)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

1.04 billion

334 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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