AMD Radeon RX 6600 vs NVIDIA GeForce RTX 4080

VS

AMD Radeon RX 6600 NVIDIA GeForce RTX 4080

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 16GB VRAM GeForce RTX 4080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 's Advantages

Lower TDP (132W vs 320W)

NVIDIA GeForce RTX 4080 's Advantages

Released 11 months late

Boost Clock has increased by 1% (2505MHz vs 2491MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (716.8GB/s vs 224.0GB/s)

7936 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600

8.928 TFLOPS

GeForce RTX 4080 +445%

48.74 TFLOPS

3DMark Time Spy

Radeon RX 6600

8081

GeForce RTX 4080 +249%

28257

Shadow of the Tomb Raider 2160p

Radeon RX 6600

34

GeForce RTX 4080 +288%

132

Shadow of the Tomb Raider 1440p

Radeon RX 6600

71

GeForce RTX 4080 +246%

246

Shadow of the Tomb Raider 1080p

Radeon RX 6600

126

GeForce RTX 4080 +138%

300

Cyberpunk 2077 2160p

Radeon RX 6600

24

GeForce RTX 4080 +204%

73

Cyberpunk 2077 1440p

Radeon RX 6600

31

GeForce RTX 4080 +290%

121

Cyberpunk 2077 1080p

Radeon RX 6600

50

GeForce RTX 4080 +260%

180

Battlefield 5 2160p

Radeon RX 6600

44

GeForce RTX 4080 +179%

123

Battlefield 5 1440p

Radeon RX 6600

98

GeForce RTX 4080 +68%

165

Battlefield 5 1080p

Radeon RX 6600

127

GeForce RTX 4080 +48%

188

GTA 5 2160p

Radeon RX 6600

60

GeForce RTX 4080 +111%

127

GTA 5 1440p

Radeon RX 6600

66

GeForce RTX 4080 +174%

181

GTA 5 1080p

Radeon RX 6600

182

GeForce RTX 4080

182

Radeon RX 6600

VS

GeForce RTX 4080

Graphics Card

Oct 2021

Release Date

Sep 2022

Navi II

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1626 MHz

Base Clock

2205 MHz

2491 MHz

Boost Clock

2505 MHz

1750 MHz

Memory Clock

1400 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6X

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

716.8GB/s

Render Config

-

SM Count

76

28

Compute Units

-

1792

Shading Units

9728

112

TMUs

304

64

ROPs

112

-

Tensor Cores

304

28

RT Cores

76

128 KB per Array

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

64 MB

Theoretical Performance

159.4 GPixel/s

Pixel Rate

280.6 GPixel/s

279.0 GTexel/s

Texture Rate

761.5 GTexel/s

17.86 TFLOPS

FP16 (half)

48.74 TFLOPS

8.928 TFLOPS

FP32 (float)

48.74 TFLOPS

558.0 GFLOPS

FP64 (double)

761.5 GFLOPS

Graphics Processor

Navi 23

GPU Name

AD103

Navi 23 XL (215-130000016)

GPU Variant

AD103-300-A1

RDNA 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

11.06 billion

Transistors

45.9 billion

237 mm²

Die Size

379 mm²

Board Design

132W

TDP

320W

300 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 16-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.9

6.5

Shader Model

6.7

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