NVIDIA GeForce RTX 5090 Mobile vs AMD Radeon RX 6850M XT

VS

NVIDIA GeForce RTX 5090 Mobile

AMD Radeon RX 6850M XT

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 5090 Mobile and 12GB VRAM Radeon RX 6850M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5090 Mobile 's Advantages

Released 3 years late

More VRAM (16GB vs 12GB)

Larger VRAM bandwidth (1.01TB/s vs 384.0GB/s)

8192 additional rendering cores

AMD Radeon RX 6850M XT 's Advantages

Boost Clock has increased by 29% (2581MHz vs 2000MHz)

Lower TDP (165W vs 175W)

Score

Benchmark

FP32 (float)

GeForce RTX 5090 Mobile +225%

43.01 TFLOPS

Radeon RX 6850M XT

13.21 TFLOPS

GeForce RTX 5090 Mobile

VS

Radeon RX 6850M XT

Graphics Card

Jan 2025

Release Date

Jan 2022

GeForce 50 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 5.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1500 MHz

Base Clock

2321 MHz

2000 MHz

Boost Clock

2581 MHz

2500 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

12GB

GDDR7

Memory Type

GDDR6

256bit

Memory Bus

192bit

1.01TB/s

Bandwidth

384.0GB/s

Render Config

-

Compute Units

40

84

SM Count

-

10752

Shading Units

2560

336

TMUs

160

128

ROPs

64

336

Tensor Cores

-

84

RT Cores

40

128 KB (per SM)

L1 Cache

128 KB per Array

64 MB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

256.0 GPixel/s

Pixel Rate

165.2 GPixel/s

672.0 GTexel/s

Texture Rate

413.0 GTexel/s

43.01 TFLOPS

FP16 (half)

26.43 TFLOPS

43.01 TFLOPS

FP32 (float)

13.21 TFLOPS

672.0 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

175W

TDP

165W

550 W

Suggested PSU

-

1x HDMI 2.13x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GB203

GPU Name

Navi 22

-

GPU Variant

Navi 22 XTM

Blackwell 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

7 nm

Unknown

Transistors

17.2 billion

377 mm²

Die Size

335 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

10.1

CUDA

-

6.8

Shader Model

6.5

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