ATI Radeon HD 5870 vs AMD Radeon HD 6970

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 and 2GB VRAM Radeon HD 6970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5870 's Advantages

64 additional rendering cores

Lower TDP (188W vs 250W)

AMD Radeon HD 6970 's Advantages

Released 1 years and 3 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (176.0GB/s vs 153.6GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 5870

2.72 TFLOPS

Radeon HD 6970

2.703 TFLOPS

Radeon HD 5870

VS

Radeon HD 6970

Graphics Card

Sep 2009

Release Date

Dec 2010

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

176.0GB/s

Render Config

-

SM Count

-

20

Compute Units

24

1600

Shading Units

1536

80

TMUs

96

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

27.20 GPixel/s

Pixel Rate

28.16 GPixel/s

68.00 GTexel/s

Texture Rate

84.48 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

2.703 TFLOPS

544.0 GFLOPS

FP64 (double)

675.8 GFLOPS

Graphics Processor

Cypress

GPU Name

Cayman

Cypress XT (215-0735033)

GPU Variant

Cayman XT (215-0807007)

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

Board Design

188W

TDP

250W

450 W

Suggested PSU

600 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

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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