AMD Radeon RX 6600 XT vs AMD Radeon RX 560 XT

VS

AMD Radeon RX 6600 XT AMD Radeon RX 560 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 4GB VRAM Radeon RX 560 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Released 2 years and 4 months late

Boost Clock has increased by 111% (2589MHz vs 1226MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 224.0GB/s)

256 additional rendering cores

AMD Radeon RX 560 XT 's Advantages

Lower TDP (150W vs 160W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +141%

10.6 TFLOPS

Radeon RX 560 XT

4.394 TFLOPS

Radeon RX 6600 XT

VS

Radeon RX 560 XT

Graphics Card

Jul 2021

Release Date

Mar 2019

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1968 MHz

Base Clock

1074 MHz

2589 MHz

Boost Clock

1226 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

256.0GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

32

Compute Units

28

2048

Shading Units

1792

128

TMUs

112

64

ROPs

32

-

Tensor Cores

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

2 MB

Theoretical Performance

165.7 GPixel/s

Pixel Rate

39.23 GPixel/s

331.4 GTexel/s

Texture Rate

137.3 GTexel/s

21.21 TFLOPS

FP16 (half)

4.394 TFLOPS

10.60 TFLOPS

FP32 (float)

4.394 TFLOPS

662.8 GFLOPS

FP64 (double)

274.6 GFLOPS

Graphics Processor

Navi 23

GPU Name

Ellesmere

Navi 23 XT (215-130000006)

GPU Variant

Polaris 10 LE1

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

11.06 billion

Transistors

5.7 billion

237 mm²

Die Size

232 mm²

Board Design

160W

TDP

150W

450 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 6-pin

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

-

CUDA

-

6.7

Shader Model

6.4

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