AMD Radeon RX 7800M vs NVIDIA GeForce RTX 3080 Mobile

VS

AMD Radeon RX 7800M

NVIDIA GeForce RTX 3080 Mobile

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 7800M and 8GB VRAM GeForce RTX 3080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800M 's Advantages

Released 3 years and 8 months late

Boost Clock has increased by 39% (2145MHz vs 1545MHz)

More VRAM (12GB vs 8GB)

NVIDIA GeForce RTX 3080 Mobile 's Advantages

Larger VRAM bandwidth (448.0GB/s vs 432GB/s)

2304 additional rendering cores

Lower TDP (115W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7800M +88%

35.87 TFLOPS

GeForce RTX 3080 Mobile

18.98 TFLOPS

Radeon RX 7800M

VS

GeForce RTX 3080 Mobile

Graphics Card

Sep 2024

Release Date

Jan 2021

Navi Mobile

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1825 MHz

Base Clock

1110 MHz

2145 MHz

Boost Clock

1545 MHz

2250 MHz

Memory Clock

1750 MHz

Memory

12GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

192bit

Memory Bus

256bit

432GB/s

Bandwidth

448.0GB/s

Render Config

60

Compute Units

-

SM Count

48

3840

Shading Units

6144

240

TMUs

192

96

ROPs

96

-

Tensor Cores

192

60

RT Cores

48

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

4 MB

48 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

148.3 GPixel/s

560.4 GTexel/s

Texture Rate

296.6 GTexel/s

71.73 TFLOPS

FP16 (half)

18.98 TFLOPS

35.87 TFLOPS

FP32 (float)

18.98 TFLOPS

1121 GFLOPS

FP64 (double)

296.6 GFLOPS

Board Design

180W

TDP

115W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

GA104

Navi 32

GPU Variant

GA104-775-A1

RDNA 3.0

Architecture

Ampere

TSMC

Foundry

Samsung

5 nm

Process Size

8 nm

28.1 billion

Transistors

17.4 billion

529 mm²

Die Size

392 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.7

Shader Model

6.6

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