AMD Radeon HD 6970 vs AMD Radeon RX 580

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 8GB VRAM Radeon RX 580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580 's Advantages

Released 6 years and 4 months late

Boost Clock1340MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 176.0GB/s)

768 additional rendering cores

Lower TDP (185W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 6970

2.703 TFLOPS

Radeon RX 580 +128%

6.175 TFLOPS

Radeon HD 6970

VS

Radeon RX 580

Graphics Card

Dec 2010

Release Date

Apr 2017

Northern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1257 MHz

-

Boost Clock

1340 MHz

1375 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

24

Compute Units

36

1536

Shading Units

2304

96

TMUs

144

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

Theoretical Performance

28.16 GPixel/s

Pixel Rate

42.88 GPixel/s

84.48 GTexel/s

Texture Rate

193.0 GTexel/s

-

FP16 (half)

6.175 TFLOPS

2.703 TFLOPS

FP32 (float)

6.175 TFLOPS

675.8 GFLOPS

FP64 (double)

385.9 GFLOPS

Graphics Processor

Cayman

GPU Name

Polaris 20

Cayman XT (215-0807007)

GPU Variant

Polaris 20 XTX (215-0910038)

TeraScale 3

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

2.64 billion

Transistors

5.7 billion

389 mm²

Die Size

232 mm²

Board Design

250W

TDP

185W

600 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.4

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