AMD Radeon HD 7950 vs AMD Radeon RX 560

VS

AMD Radeon HD 7950

AMD Radeon RX 560

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 4GB VRAM Radeon RX 560 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Larger VRAM bandwidth (240.0GB/s vs 112.0GB/s)

768 additional rendering cores

AMD Radeon RX 560 's Advantages

Released 5 years and 3 months late

Boost Clock1275MHz

More VRAM (4GB vs 3GB)

Lower TDP (75W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 +9%

2.867 TFLOPS

Radeon RX 560

2.611 TFLOPS

3DMark Time Spy

Radeon HD 7950 +7%

1917

Radeon RX 560

1780

Radeon HD 7950

VS

Radeon RX 560

Graphics Card

Jan 2012

Release Date

Apr 2017

Southern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1175 MHz

-

Boost Clock

1275 MHz

1250 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

112.0GB/s

Render Config

28

Compute Units

16

-

1792

Shading Units

1024

112

TMUs

64

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

1024 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

20.40 GPixel/s

89.60 GTexel/s

Texture Rate

81.60 GTexel/s

-

FP16 (half)

2.611 TFLOPS

2.867 TFLOPS

FP32 (float)

2.611 TFLOPS

716.8 GFLOPS

FP64 (double)

163.2 GFLOPS

Board Design

200W

TDP

75W

550 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

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Polaris 21

Tahiti PRO (215-0821056)

GPU Variant

Polaris 21 XT (215-0908004)

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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