ATI Radeon HD 5830 vs AMD Radeon HD 6950

VS

ATI Radeon HD 5830

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5830 and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5830 's Advantages

Lower TDP (175W vs 200W)

AMD Radeon HD 6950 's Advantages

Released 10 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 128.0GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5830

1.792 TFLOPS

Radeon HD 6950 +25%

2.253 TFLOPS

Radeon HD 5830

VS

Radeon HD 6950

Graphics Card

Feb 2010

Release Date

Dec 2010

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

160.0GB/s

Render Config

14

Compute Units

22

-

1120

Shading Units

1408

56

TMUs

88

16

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

25.60 GPixel/s

44.80 GTexel/s

Texture Rate

70.40 GTexel/s

-

1.792 TFLOPS

FP32 (float)

2.253 TFLOPS

358.4 GFLOPS

FP64 (double)

563.2 GFLOPS

Board Design

175W

TDP

200W

450 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cypress

GPU Name

Cayman

Cypress LE (215-0735047)

GPU Variant

Cayman PRO (215-0807019)

TeraScale 2

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

2.64 billion

334 mm²

Die Size

389 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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