NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon RX 6850M XT

VS

NVIDIA GeForce RTX 3080 Mobile 16 GB

AMD Radeon RX 6850M XT

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Mobile 16 GB 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 3080 Mobile 16 GB 's Advantages

More VRAM (16GB vs 12GB)

Larger VRAM bandwidth (448.0GB/s vs 384.0GB/s)

3584 additional rendering cores

Lower TDP (115W vs 165W)

AMD Radeon RX 6850M XT 's Advantages

Released 1 years late

Boost Clock has increased by 67% (2581MHz vs 1545MHz)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile 16 GB +43%

18.98 TFLOPS

Radeon RX 6850M XT

13.21 TFLOPS

GeForce RTX 3080 Mobile 16 GB

VS

Radeon RX 6850M XT

Graphics Card

Jan 2021

Release Date

Jan 2022

GeForce 30 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1110 MHz

Base Clock

2321 MHz

1545 MHz

Boost Clock

2581 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

192bit

448.0GB/s

Bandwidth

384.0GB/s

Render Config

-

Compute Units

40

48

SM Count

-

6144

Shading Units

2560

192

TMUs

160

96

ROPs

64

192

Tensor Cores

-

48

RT Cores

40

128 KB (per SM)

L1 Cache

128 KB per Array

4 MB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

148.3 GPixel/s

Pixel Rate

165.2 GPixel/s

296.6 GTexel/s

Texture Rate

413.0 GTexel/s

18.98 TFLOPS

FP16 (half)

26.43 TFLOPS

18.98 TFLOPS

FP32 (float)

13.21 TFLOPS

296.6 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

115W

TDP

165W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

Navi 22

GA104-775-A1

GPU Variant

Navi 22 XTM

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

17.4 billion

Transistors

17.2 billion

392 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

8.6

CUDA

-

6.8

Shader Model

6.5

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