AMD Radeon RX 6800M vs NVIDIA GeForce RTX 3080 Ti Mobile

VS

AMD Radeon RX 6800M

NVIDIA GeForce RTX 3080 Ti Mobile

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 16GB VRAM GeForce RTX 3080 Ti Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800M 's Advantages

Boost Clock has increased by 90% (2390MHz vs 1260MHz)

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages

Released 8 months late

More VRAM (16GB vs 12GB)

Larger VRAM bandwidth (512.0GB/s vs 384.0GB/s)

4864 additional rendering cores

Lower TDP (115W vs 145W)

Score

Benchmark

FP32 (float)

Radeon RX 6800M

12.24 TFLOPS

GeForce RTX 3080 Ti Mobile +52%

18.71 TFLOPS

3DMark Time Spy

Radeon RX 6800M

11245

GeForce RTX 3080 Ti Mobile +13%

12729

Blender

Radeon RX 6800M

1568

GeForce RTX 3080 Ti Mobile +137%

3726

Radeon RX 6800M

VS

GeForce RTX 3080 Ti Mobile

Graphics Card

May 2021

Release Date

Jan 2022

Mobility Radeon

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2116 MHz

Base Clock

810 MHz

2390 MHz

Boost Clock

1260 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

192bit

Memory Bus

256bit

384.0GB/s

Bandwidth

512.0GB/s

Render Config

40

Compute Units

-

SM Count

58

2560

Shading Units

7424

160

TMUs

232

64

ROPs

96

-

Tensor Cores

232

40

RT Cores

58

128 KB per Array

L1 Cache

128 KB (per SM)

3 MB

L2 Cache

4 MB

96 MB

L3 Cache

-

Theoretical Performance

153.0 GPixel/s

Pixel Rate

121.0 GPixel/s

382.4 GTexel/s

Texture Rate

292.3 GTexel/s

24.47 TFLOPS

FP16 (half)

18.71 TFLOPS

12.24 TFLOPS

FP32 (float)

18.71 TFLOPS

764.8 GFLOPS

FP64 (double)

292.3 GFLOPS

Board Design

145W

TDP

115W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

GA103S

Navi 22 XTM

GPU Variant

GN20-E8-A1

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

17.2 billion

Transistors

Unknown

335 mm²

Die Size

496 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.5

Shader Model

6.5

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