AMD Radeon RX 6800M vs AMD Radeon Pro 575X

VS

AMD Radeon RX 6800M

AMD Radeon Pro 575X

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 4GB VRAM Radeon Pro 575X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800M 's Advantages

Released 2 years and 2 months late

Boost Clock2390MHz

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 217.6GB/s)

512 additional rendering cores

Lower TDP (145W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 6800M +172%

12.24 TFLOPS

Radeon Pro 575X

4.489 TFLOPS

Radeon RX 6800M

VS

Radeon Pro 575X

Graphics Card

May 2021

Release Date

Mar 2019

Mobility Radeon

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2116 MHz

Base Clock

-

2390 MHz

Boost Clock

-

2000 MHz

Memory Clock

1700 MHz

Memory

12GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

384.0GB/s

Bandwidth

217.6GB/s

Render Config

40

Compute Units

32

-

2560

Shading Units

2048

160

TMUs

128

64

ROPs

32

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

2 MB

96 MB

L3 Cache

-

Theoretical Performance

153.0 GPixel/s

Pixel Rate

35.07 GPixel/s

382.4 GTexel/s

Texture Rate

140.3 GTexel/s

24.47 TFLOPS

FP16 (half)

4.489 TFLOPS

12.24 TFLOPS

FP32 (float)

4.489 TFLOPS

764.8 GFLOPS

FP64 (double)

280.6 GFLOPS

Board Design

145W

TDP

150W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

Polaris 20

Navi 22 XTM

GPU Variant

Polaris 20 XL (215-0910052)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

17.2 billion

Transistors

5.7 billion

335 mm²

Die Size

232 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

6.5

Shader Model

6.4

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