AMD Radeon HD 6970 X2 vs AMD Radeon RX 470

VS

AMD Radeon HD 6970 X2

AMD Radeon RX 470

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 4GB VRAM Radeon RX 470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 470 's Advantages

Boost Clock1206MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (211.2GB/s vs 176.0GB/s)

512 additional rendering cores

Lower TDP (120W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 X2

2.703 TFLOPS

Radeon RX 470 +82%

4.94 TFLOPS

Radeon HD 6970 X2

VS

Radeon RX 470

Graphics Card

Unknown

Release Date

Aug 2016

Northern Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

926 MHz

-

Boost Clock

1206 MHz

1375 MHz

Memory Clock

1650 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

211.2GB/s

Render Config

24

Compute Units

32

-

1536

Shading Units

2048

96

TMUs

128

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

38.59 GPixel/s

84.48 GTexel/s

Texture Rate

154.4 GTexel/s

-

FP16 (half)

4.940 TFLOPS

2.703 TFLOPS

FP32 (float)

4.940 TFLOPS

-

FP64 (double)

308.7 GFLOPS

Board Design

375W

TDP

120W

750 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

3x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Antilles

GPU Name

Ellesmere

Antilles XT (215-0807027)

GPU Variant

Polaris 10 PRO (215-0876204)

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

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

-

5.0

Shader Model

6.4

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