AMD Radeon HD 7970 vs AMD Radeon RX 560DX

VS

AMD Radeon HD 7970

AMD Radeon RX 560DX

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 4GB VRAM Radeon RX 560DX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 96.00GB/s)

1152 additional rendering cores

AMD Radeon RX 560DX 's Advantages

Released 6 years and 4 months late

Boost Clock1175MHz

More VRAM (4GB vs 3GB)

Lower TDP (65W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +79%

3.789 TFLOPS

Radeon RX 560DX

2.106 TFLOPS

Radeon HD 7970

VS

Radeon RX 560DX

Graphics Card

Dec 2011

Release Date

Apr 2018

Southern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1090 MHz

-

Boost Clock

1175 MHz

1375 MHz

Memory Clock

1500 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

96.00GB/s

Render Config

32

Compute Units

14

-

2048

Shading Units

896

128

TMUs

56

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

1024 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

18.80 GPixel/s

118.4 GTexel/s

Texture Rate

65.80 GTexel/s

-

FP16 (half)

2.106 TFLOPS

3.789 TFLOPS

FP32 (float)

2.106 TFLOPS

947.2 GFLOPS

FP64 (double)

131.6 GFLOPS

Board Design

250W

TDP

65W

600 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Polaris 21

Tahiti XT (215-0821060)

GPU Variant

Polaris 21 XL

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

3 billion

352 mm²

Die Size

123 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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