AMD Radeon HD 6870 vs ATI Radeon HD 5950

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 1024MB VRAM ATI Radeon HD 5950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages

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

Lower TDP (151W vs 302W)

ATI Radeon HD 5950 's Advantages

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870

2.016 TFLOPS

ATI Radeon HD 5950 +3%

2.088 TFLOPS

Radeon HD 6870

VS

ATI Radeon HD 5950

Graphics Card

Oct 2010

Release Date

Unknown

Northern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

14

Compute Units

18

1120

Shading Units

1440

56

TMUs

72

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

23.20 GPixel/s

50.40 GTexel/s

Texture Rate

52.20 GTexel/s

-

FP16 (half)

-

2.016 TFLOPS

FP32 (float)

2.088 TFLOPS

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

Hemlock

Barts XT (215-0798000)

GPU Variant

Hemlock PRO

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

2.154 billion

255 mm²

Die Size

334 mm²

Board Design

151W

TDP

302W

450 W

Suggested PSU

700 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

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

-

CUDA

-

5.0

Shader Model

5.0

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