AMD Radeon RX 6900 XTX vs AMD Radeon RX 560DX

VS

AMD Radeon RX 6900 XTX

AMD Radeon RX 560DX

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 4GB VRAM Radeon RX 560DX 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 107% (2435MHz vs 1175MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (576.0GB/s vs 96.00GB/s)

4224 additional rendering cores

AMD Radeon RX 560DX 's Advantages

Lower TDP (65W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +1083%

24.93 TFLOPS

Radeon RX 560DX

2.106 TFLOPS

Radeon RX 6900 XTX

VS

Radeon RX 560DX

Graphics Card

Unknown

Release Date

Apr 2018

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2075 MHz

Base Clock

1090 MHz

2435 MHz

Boost Clock

1175 MHz

2250 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

96.00GB/s

Render Config

80

Compute Units

14

-

5120

Shading Units

896

320

TMUs

56

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

18.80 GPixel/s

779.2 GTexel/s

Texture Rate

65.80 GTexel/s

49.87 TFLOPS

FP16 (half)

2.106 TFLOPS

24.93 TFLOPS

FP32 (float)

2.106 TFLOPS

1.558 TFLOPS

FP64 (double)

131.6 GFLOPS

Board Design

330W

TDP

65W

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 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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