AMD Radeon RX 6600 XT vs NVIDIA PG506 242

VS

AMD Radeon RX 6600 XT

NVIDIA PG506 242

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 24GB VRAM PG506 242 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 80% (2589MHz vs 1440MHz)

Lower TDP (160W vs 165W)

NVIDIA PG506 242 's Advantages

More VRAM (24GB vs 8GB)

Larger VRAM bandwidth (933.1GB/s vs 256.0GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +2%

10.6 TFLOPS

PG506 242

10.32 TFLOPS

Radeon RX 6600 XT

VS

PG506 242

Graphics Card

Jul 2021

Release Date

Apr 2021

Navi II

Generation

Tesla

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1968 MHz

Base Clock

930 MHz

2589 MHz

Boost Clock

1440 MHz

2000 MHz

Memory Clock

1215 MHz

Memory

8GB

Memory Size

24GB

GDDR6

Memory Type

HBM2

128bit

Memory Bus

3072bit

256.0GB/s

Bandwidth

933.1GB/s

Render Config

32

Compute Units

-

SM Count

56

2048

Shading Units

3584

128

TMUs

224

64

ROPs

96

-

Tensor Cores

224

32

RT Cores

-

128 KB per Array

L1 Cache

192 KB (per SM)

2 MB

L2 Cache

24 MB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

138.2 GPixel/s

331.4 GTexel/s

Texture Rate

322.6 GTexel/s

21.21 TFLOPS

FP16 (half)

10.32 TFLOPS

10.60 TFLOPS

FP32 (float)

10.32 TFLOPS

662.8 GFLOPS

FP64 (double)

5.161 TFLOPS

Board Design

160W

TDP

165W

450 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 8-pin

Power Connectors

8-pin EPS

Graphics Processor

Navi 23

GPU Name

GA100

Navi 23 XT (215-130000006)

GPU Variant

-

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

11.06 billion

Transistors

54.2 billion

237 mm²

Die Size

826 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

N/A

4.6

OpenGL

N/A

2.1

OpenCL

3.0

1.3

Vulkan

N/A

-

CUDA

8.0

6.7

Shader Model

N/A

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