ATI Radeon HD 5830 vs AMD Radeon HD 6870 X2

VS

ATI Radeon HD 5830

AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5830 and 1024MB VRAM Radeon HD 6870 X2 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 300W)

AMD Radeon HD 6870 X2 's Advantages

Released 1 years and 5 months late

Larger VRAM bandwidth (134.4GB/s vs 128.0GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 5830

1.792 TFLOPS

Radeon HD 6870 X2 +12%

2.016 TFLOPS

Radeon HD 5830

VS

Radeon HD 6870 X2

Graphics Card

Feb 2010

Release Date

Jul 2011

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

134.4GB/s

Render Config

14

Compute Units

14

-

1120

Shading Units

1120

56

TMUs

56

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

28.80 GPixel/s

44.80 GTexel/s

Texture Rate

50.40 GTexel/s

-

1.792 TFLOPS

FP32 (float)

2.016 TFLOPS

358.4 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

300W

450 W

Suggested PSU

700 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

-

Graphics Processor

Cypress

GPU Name

Barts

Cypress LE (215-0735047)

GPU Variant

Barts XT (215-0798000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

1.7 billion

334 mm²

Die Size

255 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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