AMD Radeon HD 7970 X2 vs AMD Radeon RX 470

VS

AMD Radeon HD 7970 X2

AMD Radeon RX 470

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 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 HD 7970 X2 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 211.2GB/s)

AMD Radeon RX 470 's Advantages

Released 4 years late

Boost Clock1206MHz

More VRAM (4GB vs 3GB)

Lower TDP (120W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2

3.789 TFLOPS

Radeon RX 470 +30%

4.94 TFLOPS

Radeon HD 7970 X2

VS

Radeon RX 470

Graphics Card

Aug 2012

Release Date

Aug 2016

Southern Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

926 MHz

-

Boost Clock

1206 MHz

1375 MHz

Memory Clock

1650 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

211.2GB/s

Render Config

32

Compute Units

32

-

2048

Shading Units

2048

128

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

2 MB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

38.59 GPixel/s

118.4 GTexel/s

Texture Rate

154.4 GTexel/s

-

FP16 (half)

4.940 TFLOPS

3.789 TFLOPS

FP32 (float)

4.940 TFLOPS

947.2 GFLOPS

FP64 (double)

308.7 GFLOPS

Board Design

500W

TDP

120W

900 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

New Zealand

GPU Name

Ellesmere

-

GPU Variant

Polaris 10 PRO (215-0876204)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

5.7 billion

352 mm²

Die Size

232 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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