AMD Radeon RX 6900 XTX vs AMD Radeon RX 560

VS

AMD Radeon RX 6900 XTX

AMD Radeon RX 560

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX 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 RX 6900 XTX 's Advantages

Boost Clock has increased by 91% (2435MHz vs 1275MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (576.0GB/s vs 112.0GB/s)

4096 additional rendering cores

AMD Radeon RX 560 's Advantages

Lower TDP (75W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +854%

24.93 TFLOPS

Radeon RX 560

2.611 TFLOPS

Radeon RX 6900 XTX

VS

Radeon RX 560

Graphics Card

Unknown

Release Date

Apr 2017

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2075 MHz

Base Clock

1175 MHz

2435 MHz

Boost Clock

1275 MHz

2250 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

112.0GB/s

Render Config

80

Compute Units

16

-

5120

Shading Units

1024

320

TMUs

64

128

ROPs

16

-

80

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

128 MB

L3 Cache

-

Theoretical Performance

311.7 GPixel/s

Pixel Rate

20.40 GPixel/s

779.2 GTexel/s

Texture Rate

81.60 GTexel/s

49.87 TFLOPS

FP16 (half)

2.611 TFLOPS

24.93 TFLOPS

FP32 (float)

2.611 TFLOPS

1.558 TFLOPS

FP64 (double)

163.2 GFLOPS

Board Design

330W

TDP

75W

700 W

Suggested PSU

250 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 XTXH (215-121000247)

GPU Variant

Polaris 21 XT (215-0908004)

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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