AMD Radeon RX 6800S vs NVIDIA GeForce RTX 3080 Mobile 16 GB

VS

AMD Radeon RX 6800S

NVIDIA GeForce RTX 3080 Mobile 16 GB

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6800S and 16GB VRAM GeForce RTX 3080 Mobile 16 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800S 's Advantages

Released 1 years late

Boost Clock has increased by 36% (2100MHz vs 1545MHz)

Lower TDP (100W vs 115W)

NVIDIA GeForce RTX 3080 Mobile 16 GB 's Advantages

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (448.0GB/s vs 256.0GB/s)

4096 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6800S

8.602 TFLOPS

GeForce RTX 3080 Mobile 16 GB +120%

18.98 TFLOPS

Radeon RX 6800S

VS

GeForce RTX 3080 Mobile 16 GB

Graphics Card

Jan 2022

Release Date

Jan 2021

Mobility Radeon

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1800 MHz

Base Clock

1110 MHz

2100 MHz

Boost Clock

1545 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

256bit

256.0GB/s

Bandwidth

448.0GB/s

Render Config

32

Compute Units

-

SM Count

48

2048

Shading Units

6144

128

TMUs

192

64

ROPs

96

-

Tensor Cores

192

32

RT Cores

48

128 KB per Array

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

4 MB

32 MB

L3 Cache

-

Theoretical Performance

134.4 GPixel/s

Pixel Rate

148.3 GPixel/s

268.8 GTexel/s

Texture Rate

296.6 GTexel/s

17.20 TFLOPS

FP16 (half)

18.98 TFLOPS

8.602 TFLOPS

FP32 (float)

18.98 TFLOPS

537.6 GFLOPS

FP64 (double)

296.6 GFLOPS

Board Design

100W

TDP

115W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

GA104

-

GPU Variant

GA104-775-A1

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

11.06 billion

Transistors

17.4 billion

237 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

6.8

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