AMD Radeon RX 6850M XT vs AMD Radeon R9 M395X Mac Edition

VS

AMD Radeon RX 6850M XT

AMD Radeon R9 M395X Mac Edition

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6850M XT and 4GB VRAM Radeon R9 M395X Mac Edition 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 6 years and 8 months late

Boost Clock2581MHz

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 174.7GB/s)

512 additional rendering cores

Lower TDP (165W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6850M XT +254%

13.21 TFLOPS

Radeon R9 M395X Mac Edition

3.723 TFLOPS

Radeon RX 6850M XT

VS

Radeon R9 M395X Mac Edition

Graphics Card

Jan 2022

Release Date

May 2015

Mobility Radeon

Generation

Crystal System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2000 MHz

Memory Clock

1365 MHz

Memory

12GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

384.0GB/s

Bandwidth

174.7GB/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

512 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

29.09 GPixel/s

413.0 GTexel/s

Texture Rate

116.4 GTexel/s

26.43 TFLOPS

FP16 (half)

3.723 TFLOPS

13.21 TFLOPS

FP32 (float)

3.723 TFLOPS

825.9 GFLOPS

FP64 (double)

232.7 GFLOPS

Board Design

165W

TDP

250W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

Amethyst

Navi 22 XTM

GPU Variant

Amethyst XT

RDNA 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

5 billion

335 mm²

Die Size

366 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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