AMD Radeon RX 6850M XT vs AMD Radeon Pro 580X

VS

AMD Radeon RX 6850M XT

AMD Radeon Pro 580X

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6850M XT and 8GB VRAM Radeon Pro 580X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6850M XT 's Advantages

Released 2 years and 10 months late

Boost Clock has increased by 115% (2581MHz vs 1200MHz)

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (384.0GB/s vs 218.9GB/s)

256 additional rendering cores

Lower TDP (165W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 6850M XT +138%

13.21 TFLOPS

Radeon Pro 580X

5.53 TFLOPS

Blender

Radeon RX 6850M XT +352%

1510

Radeon Pro 580X

334

Radeon RX 6850M XT

VS

Radeon Pro 580X

Graphics Card

Jan 2022

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

2321 MHz

Base Clock

1100 MHz

2581 MHz

Boost Clock

1200 MHz

2000 MHz

Memory Clock

1710 MHz

Memory

12GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

384.0GB/s

Bandwidth

218.9GB/s

Render Config

40

Compute Units

36

-

2560

Shading Units

2304

160

TMUs

144

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

165.2 GPixel/s

Pixel Rate

38.40 GPixel/s

413.0 GTexel/s

Texture Rate

172.8 GTexel/s

26.43 TFLOPS

FP16 (half)

5.530 TFLOPS

13.21 TFLOPS

FP32 (float)

5.530 TFLOPS

825.9 GFLOPS

FP64 (double)

345.6 GFLOPS

Board Design

165W

TDP

185W

-

No outputs

Outputs

2x HDMI 2.0b

None

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

Ellesmere

Navi 22 XTM

GPU Variant

Ellesmere XTA (216-0886220)

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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