AMD Radeon RX 560X vs AMD Radeon HD 6950

VS

AMD Radeon RX 560X

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 560X and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560X 's Advantages

Released 7 years and 4 months late

Boost Clock1275MHz

More VRAM (4GB vs 2GB)

Lower TDP (75W vs 200W)

AMD Radeon HD 6950 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 112.0GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 560X +15%

2.611 TFLOPS

Radeon HD 6950

2.253 TFLOPS

Radeon RX 560X

VS

Radeon HD 6950

Graphics Card

Apr 2018

Release Date

Dec 2010

Polaris

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1175 MHz

Base Clock

-

1275 MHz

Boost Clock

-

1750 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

160.0GB/s

Render Config

16

Compute Units

22

-

1024

Shading Units

1408

64

TMUs

88

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

20.40 GPixel/s

Pixel Rate

25.60 GPixel/s

81.60 GTexel/s

Texture Rate

70.40 GTexel/s

2.611 TFLOPS

FP16 (half)

-

2.611 TFLOPS

FP32 (float)

2.253 TFLOPS

163.2 GFLOPS

FP64 (double)

563.2 GFLOPS

Board Design

75W

TDP

200W

250 W

Suggested PSU

550 W

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

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

Polaris 21

GPU Name

Cayman

Polaris 21 XT (215-0908004)

GPU Variant

Cayman PRO (215-0807019)

GCN 4.0

Architecture

TeraScale 3

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

2.64 billion

123 mm²

Die Size

389 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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