AMD Radeon RX 6850M XT vs AMD Radeon 620 Mobile

VS

AMD Radeon RX 6850M XT

AMD Radeon 620 Mobile

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6850M XT and 2GB VRAM Radeon 620 Mobile 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 8 months late

Boost Clock has increased by 152% (2581MHz vs 1024MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 14.40GB/s)

2176 additional rendering cores

AMD Radeon 620 Mobile 's Advantages

Lower TDP (50W vs 165W)

Score

Benchmark

FP32 (float)

Radeon RX 6850M XT +1580%

13.21 TFLOPS

Radeon 620 Mobile

0.786 TFLOPS

Radeon RX 6850M XT

VS

Radeon 620 Mobile

Graphics Card

Jan 2022

Release Date

May 2019

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2321 MHz

Base Clock

730 MHz

2581 MHz

Boost Clock

1024 MHz

2000 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

64bit

384.0GB/s

Bandwidth

14.40GB/s

Render Config

40

Compute Units

6

-

2560

Shading Units

384

160

TMUs

24

64

ROPs

8

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

128 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

8.192 GPixel/s

413.0 GTexel/s

Texture Rate

24.58 GTexel/s

26.43 TFLOPS

FP16 (half)

786.4 GFLOPS

13.21 TFLOPS

FP32 (float)

786.4 GFLOPS

825.9 GFLOPS

FP64 (double)

49.15 GFLOPS

Board Design

165W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

Polaris 24

Navi 22 XTM

GPU Variant

Polaris 24 XL

RDNA 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

1.55 billion

335 mm²

Die Size

125 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.3

Vulkan

1.2

-

6.5

Shader Model

6.3

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