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

VS

NVIDIA GeForce RTX 3080 Ti Mobile AMD Radeon RX 6800S

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

Main Differences

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (512.0GB/s vs 256.0GB/s)

5376 additional rendering cores

AMD Radeon RX 6800S 's Advantages

Boost Clock has increased by 67% (2100MHz vs 1260MHz)

Lower TDP (100W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti Mobile +117%

18.71 TFLOPS

Radeon RX 6800S

8.602 TFLOPS

3DMark Time Spy

GeForce RTX 3080 Ti Mobile +46%

12753

Radeon RX 6800S

8716

Blender

GeForce RTX 3080 Ti Mobile +71%

3654

Radeon RX 6800S

2133

GeForce RTX 3080 Ti Mobile

VS

Radeon RX 6800S

Graphics Card

Jan 2022

Release Date

Jan 2022

GeForce 30 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

810 MHz

Base Clock

1800 MHz

1260 MHz

Boost Clock

2100 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

256.0GB/s

Render Config

58

SM Count

-

Compute Units

32

7424

Shading Units

2048

232

TMUs

128

96

ROPs

64

232

Tensor Cores

-

58

RT Cores

32

128 KB (per SM)

L1 Cache

128 KB per Array

4 MB

L2 Cache

2 MB

Theoretical Performance

121.0 GPixel/s

Pixel Rate

134.4 GPixel/s

292.3 GTexel/s

Texture Rate

268.8 GTexel/s

18.71 TFLOPS

FP16 (half)

17.20 TFLOPS

18.71 TFLOPS

FP32 (float)

8.602 TFLOPS

292.3 GFLOPS

FP64 (double)

537.6 GFLOPS

Graphics Processor

GA103S

GPU Name

Navi 23

GN20-E8-A1

GPU Variant

-

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

Unknown

Transistors

11.06 billion

496 mm²

Die Size

237 mm²

Board Design

115W

TDP

100W

-

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

-

6.5

Shader Model

6.5

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