AMD Radeon RX 6800S vs NVIDIA GeForce RTX 5080 Mobile

VS

AMD Radeon RX 6800S

NVIDIA GeForce RTX 5080 Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6800S and 16GB VRAM GeForce RTX 5080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800S 's Advantages

Boost Clock has increased by 5% (2100MHz vs 2000MHz)

Lower TDP (100W vs 175W)

NVIDIA GeForce RTX 5080 Mobile 's Advantages

Released 3 years late

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (1.01TB/s vs 256.0GB/s)

6144 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6800S

8.602 TFLOPS

GeForce RTX 5080 Mobile +280%

32.77 TFLOPS

Radeon RX 6800S

VS

GeForce RTX 5080 Mobile

Graphics Card

Jan 2022

Release Date

Jan 2025

Mobility Radeon

Generation

GeForce 50 Mobile

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 5.0 x16

Clock Speeds

1800 MHz

Base Clock

1500 MHz

2100 MHz

Boost Clock

2000 MHz

Memory Clock

2500 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

GDDR7

128bit

Memory Bus

256bit

256.0GB/s

Bandwidth

1.01TB/s

Render Config

32

Compute Units

-

SM Count

64

2048

Shading Units

8192

128

TMUs

256

64

ROPs

96

-

Tensor Cores

256

32

RT Cores

64

128 KB per Array

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

64 MB

32 MB

L3 Cache

-

Theoretical Performance

134.4 GPixel/s

Pixel Rate

192.0 GPixel/s

268.8 GTexel/s

Texture Rate

512.0 GTexel/s

17.20 TFLOPS

FP16 (half)

32.77 TFLOPS

8.602 TFLOPS

FP32 (float)

32.77 TFLOPS

537.6 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

100W

TDP

175W

-

Suggested PSU

550 W

No outputs

Outputs

1x HDMI 2.13x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

GB203

-

RDNA 2.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

4 nm

11.06 billion

Transistors

Unknown

237 mm²

Die Size

377 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

10.1

6.5

Shader Model

6.8

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