AMD Radeon RX 560 vs AMD Radeon HD 7870 XT

VS

AMD Radeon RX 560

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 560 and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560 's Advantages

Released 4 years and 5 months late

Boost Clock has increased by 31% (1275MHz vs 975MHz)

More VRAM (4GB vs 2GB)

Lower TDP (75W vs 185W)

AMD Radeon HD 7870 XT 's Advantages

Larger VRAM bandwidth (192.0GB/s vs 112.0GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 560

2.611 TFLOPS

Radeon HD 7870 XT +14%

2.995 TFLOPS

Radeon RX 560

VS

Radeon HD 7870 XT

Graphics Card

Apr 2017

Release Date

Nov 2012

Polaris

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1175 MHz

Base Clock

925 MHz

1275 MHz

Boost Clock

975 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

192.0GB/s

Render Config

16

Compute Units

24

-

1024

Shading Units

1536

64

TMUs

96

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

20.40 GPixel/s

Pixel Rate

31.20 GPixel/s

81.60 GTexel/s

Texture Rate

93.60 GTexel/s

2.611 TFLOPS

FP16 (half)

-

2.611 TFLOPS

FP32 (float)

2.995 TFLOPS

163.2 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

75W

TDP

185W

250 W

Suggested PSU

450 W

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

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

Polaris 21

GPU Name

Tahiti

Polaris 21 XT (215-0908004)

GPU Variant

Tahiti LE (215-0821122)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

4.313 billion

123 mm²

Die Size

352 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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