AMD Radeon RX 6850M XT vs AMD Radeon E9390 PCIe

VS

AMD Radeon RX 6850M XT

AMD Radeon E9390 PCIe

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6850M XT and 8GB VRAM Radeon E9390 PCIe 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 3 months late

Boost Clock has increased by 137% (2581MHz vs 1089MHz)

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (384.0GB/s vs 160.0GB/s)

768 additional rendering cores

AMD Radeon E9390 PCIe 's Advantages

Lower TDP (75W vs 165W)

Score

Benchmark

FP32 (float)

Radeon RX 6850M XT +238%

13.21 TFLOPS

Radeon E9390 PCIe

3.903 TFLOPS

Radeon RX 6850M XT

VS

Radeon E9390 PCIe

Graphics Card

Jan 2022

Release Date

Oct 2019

Mobility Radeon

Generation

Embedded

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2321 MHz

Base Clock

713 MHz

2581 MHz

Boost Clock

1089 MHz

2000 MHz

Memory Clock

1250 MHz

Memory

12GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

384.0GB/s

Bandwidth

160.0GB/s

Render Config

40

Compute Units

28

-

2560

Shading Units

1792

160

TMUs

112

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

34.85 GPixel/s

413.0 GTexel/s

Texture Rate

122.0 GTexel/s

26.43 TFLOPS

FP16 (half)

3.903 TFLOPS

13.21 TFLOPS

FP32 (float)

3.903 TFLOPS

825.9 GFLOPS

FP64 (double)

243.9 GFLOPS

Board Design

165W

TDP

75W

-

No outputs

Outputs

4x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

Ellesmere

Navi 22 XTM

GPU Variant

-

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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