NVIDIA GeForce RTX 4080 12 GB vs AMD Radeon RX 6600

VS

NVIDIA GeForce RTX 4080 12 GB AMD Radeon RX 6600

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4080 12 GB and 8GB VRAM Radeon RX 6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 12 GB 's Advantages

Boost Clock has increased by 5% (2610MHz vs 2491MHz)

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (504.2GB/s vs 224.0GB/s)

5888 additional rendering cores

AMD Radeon RX 6600 's Advantages

Lower TDP (132W vs 285W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 12 GB +349%

40.09 TFLOPS

Radeon RX 6600

8.928 TFLOPS

GeForce RTX 4080 12 GB

VS

Radeon RX 6600

Graphics Card

Unknown

Release Date

Oct 2021

GeForce 40

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

2310 MHz

Base Clock

1626 MHz

2610 MHz

Boost Clock

2491 MHz

1313 MHz

Memory Clock

1750 MHz

Memory

12GB

Memory Size

8GB

GDDR6X

Memory Type

GDDR6

192bit

Memory Bus

128bit

504.2GB/s

Bandwidth

224.0GB/s

Render Config

60

SM Count

-

Compute Units

28

7680

Shading Units

1792

240

TMUs

112

80

ROPs

64

240

Tensor Cores

-

60

RT Cores

28

128 KB (per SM)

L1 Cache

128 KB per Array

48 MB

L2 Cache

2 MB

Theoretical Performance

208.8 GPixel/s

Pixel Rate

159.4 GPixel/s

626.4 GTexel/s

Texture Rate

279.0 GTexel/s

40.09 TFLOPS

FP16 (half)

17.86 TFLOPS

40.09 TFLOPS

FP32 (float)

8.928 TFLOPS

626.4 GFLOPS

FP64 (double)

558.0 GFLOPS

Graphics Processor

AD104

GPU Name

Navi 23

AD104-400-A1

GPU Variant

Navi 23 XL (215-130000016)

Ada Lovelace

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

7 nm

35.8 billion

Transistors

11.06 billion

295 mm²

Die Size

237 mm²

Board Design

285W

TDP

132W

600 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 16-pin

Power Connectors

1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.9

CUDA

-

6.6

Shader Model

6.5

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