NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon R7 M445

VS

NVIDIA GeForce RTX 3080 Mobile

AMD Radeon R7 M445

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 4GB VRAM Radeon R7 M445 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 's Advantages

Released 4 years and 8 months late

Boost Clock has increased by 68% (1545MHz vs 920MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (448.0GB/s vs 32.00GB/s)

5824 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +3127%

18.98 TFLOPS

Radeon R7 M445

0.588 TFLOPS

GeForce RTX 3080 Mobile

VS

Radeon R7 M445

Graphics Card

Jan 2021

Release Date

May 2016

GeForce 30 Mobile

Generation

Gem System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1110 MHz

Base Clock

780 MHz

1545 MHz

Boost Clock

920 MHz

1750 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

32.00GB/s

Render Config

-

Compute Units

5

48

SM Count

-

6144

Shading Units

320

192

TMUs

20

96

ROPs

8

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

128 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

7.360 GPixel/s

296.6 GTexel/s

Texture Rate

18.40 GTexel/s

18.98 TFLOPS

FP16 (half)

588.8 GFLOPS

18.98 TFLOPS

FP32 (float)

588.8 GFLOPS

296.6 GFLOPS

FP64 (double)

36.80 GFLOPS

Board Design

115W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

Meso

GA104-775-A1

GPU Variant

Meso PRO (216-0864032)

Ampere

Architecture

GCN 3.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

17.4 billion

Transistors

1.55 billion

392 mm²

Die Size

125 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

8.6

CUDA

-

6.6

Shader Model

6.5

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