AMD Radeon RX 6600 vs AMD Radeon RX 560X

VS

AMD Radeon RX 6600

AMD Radeon RX 560X

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

Main Differences

AMD Radeon RX 6600 's Advantages

Released 3 years and 6 months late

Boost Clock has increased by 95% (2491MHz vs 1275MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (224.0GB/s vs 112.0GB/s)

768 additional rendering cores

AMD Radeon RX 560X 's Advantages

Lower TDP (75W vs 132W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 +241%

8.928 TFLOPS

Radeon RX 560X

2.611 TFLOPS

Radeon RX 6600

VS

Radeon RX 560X

Graphics Card

Oct 2021

Release Date

Apr 2018

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1626 MHz

Base Clock

1175 MHz

2491 MHz

Boost Clock

1275 MHz

1750 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

112.0GB/s

Render Config

28

Compute Units

16

-

1792

Shading Units

1024

112

TMUs

64

ROPs

16

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

32 MB

L3 Cache

-

Theoretical Performance

159.4 GPixel/s

Pixel Rate

20.40 GPixel/s

279.0 GTexel/s

Texture Rate

81.60 GTexel/s

17.86 TFLOPS

FP16 (half)

2.611 TFLOPS

8.928 TFLOPS

FP32 (float)

2.611 TFLOPS

558.0 GFLOPS

FP64 (double)

163.2 GFLOPS

Board Design

132W

TDP

75W

300 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

Polaris 21

Navi 23 XL (215-130000016)

GPU Variant

Polaris 21 XT (215-0908004)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

11.06 billion

Transistors

3 billion

237 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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