AMD Radeon RX 6600 vs NVIDIA RTX 4000 Ada Generation

VS

AMD Radeon RX 6600

NVIDIA RTX 4000 Ada Generation

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 20GB VRAM RTX 4000 Ada Generation to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 's Advantages

Boost Clock has increased by 15% (2491MHz vs 2175MHz)

NVIDIA RTX 4000 Ada Generation 's Advantages

Released 1 years and 10 months late

More VRAM (20GB vs 8GB)

Larger VRAM bandwidth (360.0GB/s vs 224.0GB/s)

4352 additional rendering cores

Lower TDP (130W vs 132W)

Score

Benchmark

FP32 (float)

Radeon RX 6600

8.928 TFLOPS

RTX 4000 Ada Generation +199%

26.73 TFLOPS

Radeon RX 6600

VS

RTX 4000 Ada Generation

Graphics Card

Oct 2021

Release Date

Aug 2023

Navi II

Generation

Quadro Ada(x000A)

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1626 MHz

Base Clock

1500 MHz

2491 MHz

Boost Clock

2175 MHz

1750 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

20GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

160bit

224.0GB/s

Bandwidth

360.0GB/s

Render Config

28

Compute Units

-

SM Count

48

1792

Shading Units

6144

112

TMUs

192

64

ROPs

80

-

Tensor Cores

192

28

RT Cores

48

128 KB per Array

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

48 MB

32 MB

L3 Cache

-

Theoretical Performance

159.4 GPixel/s

Pixel Rate

174.0 GPixel/s

279.0 GTexel/s

Texture Rate

417.6 GTexel/s

17.86 TFLOPS

FP16 (half)

26.73 TFLOPS

8.928 TFLOPS

FP32 (float)

26.73 TFLOPS

558.0 GFLOPS

FP64 (double)

417.6 GFLOPS

Board Design

132W

TDP

130W

300 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

4x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

Navi 23

GPU Name

AD104

Navi 23 XL (215-130000016)

GPU Variant

-

RDNA 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

11.06 billion

Transistors

35.8 billion

237 mm²

Die Size

294 mm²

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

6.8

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