ATI Radeon HD 5970 vs AMD Radeon HD 6870 1600SP Edition

VS

ATI Radeon HD 5970

AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 and 1024MB VRAM Radeon HD 6870 1600SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Released 3 years and 2 months late

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

Lower TDP (175W vs 294W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5970

2.32 TFLOPS

Radeon HD 6870 1600SP Edition +17%

2.72 TFLOPS

ATI Radeon HD 5970

VS

Radeon HD 6870 1600SP Edition

Graphics Card

Nov 2009

Release Date

Jan 2013

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

20

Compute Units

20

-

1600

Shading Units

1600

80

TMUs

80

32

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

27.20 GPixel/s

58.00 GTexel/s

Texture Rate

68.00 GTexel/s

-

2.320 TFLOPS

FP32 (float)

2.720 TFLOPS

464.0 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

294W

TDP

175W

600 W

Suggested PSU

450 W

2x DVI 1x mini-DisplayPort 1.1

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Hemlock

GPU Name

Cypress

Hemlock XT (215-0735075)

GPU Variant

Cypress XT (215-0735033)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

2.154 billion

334 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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