AMD Radeon RX 6800 XT vs NVIDIA PG506 242

VS

AMD Radeon RX 6800 XT

NVIDIA PG506 242

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 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 6800 XT 's Advantages

Boost Clock has increased by 56% (2250MHz vs 1440MHz)

1024 additional rendering cores

NVIDIA PG506 242 's Advantages

Released 6 months late

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (933.1GB/s vs 512.0GB/s)

Lower TDP (165W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +100%

20.74 TFLOPS

PG506 242

10.32 TFLOPS

Radeon RX 6800 XT

VS

PG506 242

Graphics Card

Oct 2020

Release Date

Apr 2021

Navi II

Generation

Tesla

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1825 MHz

Base Clock

930 MHz

2250 MHz

Boost Clock

1440 MHz

2000 MHz

Memory Clock

1215 MHz

Memory

16GB

Memory Size

24GB

GDDR6

Memory Type

HBM2

256bit

Memory Bus

3072bit

512.0GB/s

Bandwidth

933.1GB/s

Render Config

72

Compute Units

-

SM Count

56

4608

Shading Units

3584

288

TMUs

224

128

ROPs

96

-

Tensor Cores

224

72

RT Cores

-

128 KB per Array

L1 Cache

192 KB (per SM)

4 MB

L2 Cache

24 MB

128 MB

L3 Cache

-

Theoretical Performance

288.0 GPixel/s

Pixel Rate

138.2 GPixel/s

648.0 GTexel/s

Texture Rate

322.6 GTexel/s

41.47 TFLOPS

FP16 (half)

10.32 TFLOPS

20.74 TFLOPS

FP32 (float)

10.32 TFLOPS

1296 GFLOPS

FP64 (double)

5.161 TFLOPS

Board Design

300W

TDP

165W

700 W

Suggested PSU

450 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

No outputs

2x 8-pin

Power Connectors

8-pin EPS

Graphics Processor

Navi 21

GPU Name

GA100

Navi 21 XT (215-121000177)

GPU Variant

-

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

26.8 billion

Transistors

54.2 billion

520 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

6.5

Shader Model

N/A

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