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

VS

AMD Radeon Pro 580X

AMD Radeon RX 6850M XT

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro 580X and 12GB VRAM Radeon RX 6850M XT 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 Pro 580X

5.53 TFLOPS

Radeon RX 6850M XT +138%

13.21 TFLOPS

Blender

Radeon Pro 580X

334

Radeon RX 6850M XT +352%

1510

Radeon Pro 580X

VS

Radeon RX 6850M XT

Graphics Card

Mar 2019

Release Date

Jan 2022

Radeon Pro Mac

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1100 MHz

Base Clock

2321 MHz

1200 MHz

Boost Clock

2581 MHz

1710 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

218.9GB/s

Bandwidth

384.0GB/s

Render Config

36

Compute Units

40

-

2304

Shading Units

2560

144

TMUs

160

32

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

2 MB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

38.40 GPixel/s

Pixel Rate

165.2 GPixel/s

172.8 GTexel/s

Texture Rate

413.0 GTexel/s

5.530 TFLOPS

FP16 (half)

26.43 TFLOPS

5.530 TFLOPS

FP32 (float)

13.21 TFLOPS

345.6 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

185W

TDP

165W

-

2x HDMI 2.0b

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Navi 22

Ellesmere XTA (216-0886220)

GPU Variant

Navi 22 XTM

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

5.7 billion

Transistors

17.2 billion

232 mm²

Die Size

335 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

6.4

Shader Model

6.5

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