AMD Radeon RX 6600 XT vs AMD Radeon RX 7700 XT

VS

AMD Radeon RX 6600 XT AMD Radeon RX 7700 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 12GB VRAM Radeon RX 7700 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

Boost Clock has increased by 2% (2589MHz vs 2544MHz)

Lower TDP (160W vs 245W)

AMD Radeon RX 7700 XT 's Advantages

Released 2 years and 1 months late

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (432.0GB/s vs 256.0GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT

10.6 TFLOPS

Radeon RX 7700 XT +231%

35.17 TFLOPS

3DMark Time Spy

Radeon RX 6600 XT

9578

Radeon RX 7700 XT +77%

17023

Blender

Radeon RX 6600 XT

1187

Radeon RX 7700 XT +86%

2218

Shadow of the Tomb Raider 2160p

Radeon RX 6600 XT

38

Radeon RX 7700 XT +68%

64

Shadow of the Tomb Raider 1440p

Radeon RX 6600 XT

72

Radeon RX 7700 XT +77%

128

Shadow of the Tomb Raider 1080p

Radeon RX 6600 XT

119

Radeon RX 7700 XT +83%

218

Cyberpunk 2077 2160p

Radeon RX 6600 XT

29

Radeon RX 7700 XT +24%

36

Cyberpunk 2077 1440p

Radeon RX 6600 XT

36

Radeon RX 7700 XT +163%

95

Cyberpunk 2077 1080p

Radeon RX 6600 XT

58

Radeon RX 7700 XT +150%

145

GTA 5 2160p

Radeon RX 6600 XT

61

Radeon RX 7700 XT +80%

110

GTA 5 1440p

Radeon RX 6600 XT

82

Radeon RX 7700 XT +36%

112

GTA 5 1080p

Radeon RX 6600 XT

149

Radeon RX 7700 XT +27%

190

Horizon Forbidden West 1080p

Radeon RX 6600 XT

64

Radeon RX 7700 XT +35%

87

Horizon Forbidden West 1440p

Radeon RX 6600 XT

48

Radeon RX 7700 XT +45%

70

Horizon Forbidden West 2160p

Radeon RX 6600 XT

26

Radeon RX 7700 XT +65%

43

Radeon RX 6600 XT

VS

Radeon RX 7700 XT

Graphics Card

Jul 2021

Release Date

Aug 2023

Navi II

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1968 MHz

Base Clock

1435 MHz

2589 MHz

Boost Clock

2544 MHz

2000 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

192bit

256.0GB/s

Bandwidth

432.0GB/s

Render Config

-

SM Count

-

32

Compute Units

54

2048

Shading Units

3456

128

TMUs

216

64

ROPs

96

-

Tensor Cores

-

32

RT Cores

54

128 KB per Array

L1 Cache

128 KB per Array

2 MB

L2 Cache

2 MB

Theoretical Performance

165.7 GPixel/s

Pixel Rate

244.2 GPixel/s

331.4 GTexel/s

Texture Rate

549.5 GTexel/s

21.21 TFLOPS

FP16 (half)

70.34 TFLOPS

10.60 TFLOPS

FP32 (float)

35.17 TFLOPS

662.8 GFLOPS

FP64 (double)

1099 GFLOPS

Graphics Processor

Navi 23

GPU Name

Navi 32

Navi 23 XT (215-130000006)

GPU Variant

Navi 32 XL (215-180000076)

RDNA 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

11.06 billion

Transistors

28.1 billion

237 mm²

Die Size

346 mm²

Board Design

160W

TDP

245W

450 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

1x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.3

Vulkan

1.3

-

CUDA

-

6.7

Shader Model

6.7

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