AMD Radeon RX 6800M vs NVIDIA GeForce RTX 3080 Max Q

VS

AMD Radeon RX 6800M

NVIDIA GeForce RTX 3080 Max Q

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 8GB VRAM GeForce RTX 3080 Max Q 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 92% (2390MHz vs 1245MHz)

More VRAM (12GB vs 8GB)

NVIDIA GeForce RTX 3080 Max Q 's Advantages

3584 additional rendering cores

Lower TDP (80W vs 145W)

Score

Benchmark

FP32 (float)

Radeon RX 6800M

12.24 TFLOPS

GeForce RTX 3080 Max Q +25%

15.3 TFLOPS

Radeon RX 6800M

VS

GeForce RTX 3080 Max Q

Graphics Card

May 2021

Release Date

Jan 2021

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

780 MHz

2390 MHz

Boost Clock

1245 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

12GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

192bit

Memory Bus

256bit

384.0GB/s

Bandwidth

384.0GB/s

Render Config

40

Compute Units

-

SM Count

48

2560

Shading Units

6144

160

TMUs

192

64

ROPs

96

-

Tensor Cores

192

40

RT Cores

48

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

119.5 GPixel/s

382.4 GTexel/s

Texture Rate

239.0 GTexel/s

24.47 TFLOPS

FP16 (half)

15.30 TFLOPS

12.24 TFLOPS

FP32 (float)

15.30 TFLOPS

764.8 GFLOPS

FP64 (double)

239.0 GFLOPS

Board Design

145W

TDP

80W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

GA104

Navi 22 XTM

GPU Variant

GA104-775-A1

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

17.2 billion

Transistors

17.4 billion

335 mm²

Die Size

392 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

6.6

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