AMD Radeon RX 6800 XT vs AMD Radeon RX 560 896SP

VS

AMD Radeon RX 6800 XT

AMD Radeon RX 560 896SP

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 4GB VRAM Radeon RX 560 896SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 XT 's Advantages

Released 3 years and 3 months late

Boost Clock has increased by 91% (2250MHz vs 1175MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 112.0GB/s)

3712 additional rendering cores

AMD Radeon RX 560 896SP 's Advantages

Lower TDP (45W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +884%

20.74 TFLOPS

Radeon RX 560 896SP

2.106 TFLOPS

Radeon RX 6800 XT

VS

Radeon RX 560 896SP

Graphics Card

Oct 2020

Release Date

Jul 2017

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1825 MHz

Base Clock

1090 MHz

2250 MHz

Boost Clock

1175 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

112.0GB/s

Render Config

72

Compute Units

14

-

4608

Shading Units

896

288

TMUs

56

128

ROPs

16

-

72

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

128 MB

L3 Cache

-

Theoretical Performance

288.0 GPixel/s

Pixel Rate

18.80 GPixel/s

648.0 GTexel/s

Texture Rate

65.80 GTexel/s

41.47 TFLOPS

FP16 (half)

2.106 TFLOPS

20.74 TFLOPS

FP32 (float)

2.106 TFLOPS

1296 GFLOPS

FP64 (double)

131.6 GFLOPS

Board Design

300W

TDP

45W

700 W

Suggested PSU

200 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

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

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

Polaris 21

Navi 21 XT (215-121000177)

GPU Variant

Polaris 21 XL

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

26.8 billion

Transistors

3 billion

520 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

6.5

Shader Model

6.4

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