NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon RX 6800M

VS

NVIDIA GeForce RTX 3080 Mobile AMD Radeon RX 6800M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 12GB VRAM Radeon RX 6800M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 's Advantages

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

3584 additional rendering cores

Lower TDP (115W vs 145W)

AMD Radeon RX 6800M 's Advantages

Boost Clock has increased by 55% (2390MHz vs 1545MHz)

More VRAM (12GB vs 8GB)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +55%

18.98 TFLOPS

Radeon RX 6800M

12.24 TFLOPS

3DMark Time Spy

GeForce RTX 3080 Mobile +5%

11909

Radeon RX 6800M

11264

Blender

GeForce RTX 3080 Mobile +158%

3812

Radeon RX 6800M

1472

Shadow of the Tomb Raider 2160p

GeForce RTX 3080 Mobile +6%

47

Radeon RX 6800M

44

Shadow of the Tomb Raider 1440p

GeForce RTX 3080 Mobile +6%

83

Radeon RX 6800M

78

Shadow of the Tomb Raider 1080p

GeForce RTX 3080 Mobile +1%

110

Radeon RX 6800M

108

GTA 5 2160p

GeForce RTX 3080 Mobile +9%

92

Radeon RX 6800M

84

GTA 5 1440p

GeForce RTX 3080 Mobile +9%

92

Radeon RX 6800M

84

GTA 5 1080p

GeForce RTX 3080 Mobile +17%

164

Radeon RX 6800M

140

GeForce RTX 3080 Mobile

VS

Radeon RX 6800M

Graphics Card

Jan 2021

Release Date

May 2021

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

2116 MHz

1545 MHz

Boost Clock

2390 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

192bit

448.0GB/s

Bandwidth

384.0GB/s

Render Config

48

SM Count

-

Compute Units

40

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

Theoretical Performance

148.3 GPixel/s

Pixel Rate

153.0 GPixel/s

296.6 GTexel/s

Texture Rate

382.4 GTexel/s

18.98 TFLOPS

FP16 (half)

24.47 TFLOPS

18.98 TFLOPS

FP32 (float)

12.24 TFLOPS

296.6 GFLOPS

FP64 (double)

764.8 GFLOPS

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

Board Design

115W

TDP

145W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

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

-

6.6

Shader Model

6.5

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