AMD Radeon RX 6600 XT vs AMD Radeon RX 5600 XT

VS

AMD Radeon RX 6600 XT

AMD Radeon RX 5600 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 6GB VRAM Radeon RX 5600 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 1 years and 6 months late

Boost Clock has increased by 66% (2589MHz vs 1560MHz)

More VRAM (8GB vs 6GB)

AMD Radeon RX 5600 XT 's Advantages

Larger VRAM bandwidth (288.0GB/s vs 256.0GB/s)

256 additional rendering cores

Lower TDP (150W vs 160W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +47%

10.6 TFLOPS

Radeon RX 5600 XT

7.188 TFLOPS

3DMark Time Spy

Radeon RX 6600 XT +24%

9579

Radeon RX 5600 XT

7697

Blender

Radeon RX 6600 XT +44%

1196

Radeon RX 5600 XT

826

Shadow of the Tomb Raider 2160p

Radeon RX 6600 XT +22%

38

Radeon RX 5600 XT

31

Shadow of the Tomb Raider 1440p

Radeon RX 6600 XT +12%

72

Radeon RX 5600 XT

64

Shadow of the Tomb Raider 1080p

Radeon RX 6600 XT +20%

119

Radeon RX 5600 XT

99

Battlefield 5 2160p

Radeon RX 6600 XT +23%

58

Radeon RX 5600 XT

47

Battlefield 5 1440p

Radeon RX 6600 XT +20%

111

Radeon RX 5600 XT

92

Battlefield 5 1080p

Radeon RX 6600 XT +15%

144

Radeon RX 5600 XT

125

GTA 5 2160p

Radeon RX 6600 XT +22%

61

Radeon RX 5600 XT

50

GTA 5 1440p

Radeon RX 6600 XT +34%

82

Radeon RX 5600 XT

61

GTA 5 1080p

Radeon RX 6600 XT

149

Radeon RX 5600 XT +14%

170

Radeon RX 6600 XT

VS

Radeon RX 5600 XT

Graphics Card

Jul 2021

Release Date

Jan 2020

Navi II

Generation

Navi

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1968 MHz

Base Clock

1130 MHz

2589 MHz

Boost Clock

1560 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

6GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

192bit

256.0GB/s

Bandwidth

288.0GB/s

Render Config

32

Compute Units

36

-

2048

Shading Units

2304

128

TMUs

144

64

ROPs

64

-

32

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

3 MB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

99.84 GPixel/s

331.4 GTexel/s

Texture Rate

224.6 GTexel/s

21.21 TFLOPS

FP16 (half)

14.38 TFLOPS

10.60 TFLOPS

FP32 (float)

7.188 TFLOPS

662.8 GFLOPS

FP64 (double)

449.3 GFLOPS

Board Design

160W

TDP

150W

450 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 23

GPU Name

Navi 10

Navi 23 XT (215-130000006)

GPU Variant

Navi 10 XLE (215-0917338)

RDNA 2.0

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

11.06 billion

Transistors

10.3 billion

237 mm²

Die Size

251 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.5

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