AMD Radeon RX 6600 vs AMD Radeon RX 560 XT

VS

AMD Radeon RX 6600

AMD Radeon RX 560 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 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 's Advantages

Released 2 years and 7 months late

Boost Clock has increased by 103% (2491MHz vs 1226MHz)

More VRAM (8GB vs 4GB)

Lower TDP (132W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 +103%

8.928 TFLOPS

Radeon RX 560 XT

4.394 TFLOPS

Radeon RX 6600

VS

Radeon RX 560 XT

Graphics Card

Oct 2021

Release Date

Mar 2019

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1626 MHz

Base Clock

1074 MHz

2491 MHz

Boost Clock

1226 MHz

1750 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

224.0GB/s

Render Config

28

Compute Units

28

-

1792

Shading Units

1792

112

TMUs

112

64

ROPs

32

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

2 MB

32 MB

L3 Cache

-

Theoretical Performance

159.4 GPixel/s

Pixel Rate

39.23 GPixel/s

279.0 GTexel/s

Texture Rate

137.3 GTexel/s

17.86 TFLOPS

FP16 (half)

4.394 TFLOPS

8.928 TFLOPS

FP32 (float)

4.394 TFLOPS

558.0 GFLOPS

FP64 (double)

274.6 GFLOPS

Board Design

132W

TDP

150W

300 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 Processor

Navi 23

GPU Name

Ellesmere

Navi 23 XL (215-130000016)

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

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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