NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon Pro 455

VS

NVIDIA GeForce RTX 3080 Mobile

AMD Radeon Pro 455

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 3080 Mobile and 2GB VRAM Radeon Pro 455 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 3 months late

Boost Clock1545MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 81.28GB/s)

5376 additional rendering cores

AMD Radeon Pro 455 's Advantages

Lower TDP (35W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile +1345%

18.98 TFLOPS

Radeon Pro 455

1.313 TFLOPS

GeForce RTX 3080 Mobile

VS

Radeon Pro 455

Graphics Card

Jan 2021

Release Date

Oct 2016

GeForce 30 Mobile

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1110 MHz

Base Clock

-

1545 MHz

Boost Clock

-

1750 MHz

Memory Clock

1270 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

81.28GB/s

Render Config

-

Compute Units

12

48

SM Count

-

6144

Shading Units

768

192

TMUs

48

96

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

13.68 GPixel/s

296.6 GTexel/s

Texture Rate

41.04 GTexel/s

18.98 TFLOPS

FP16 (half)

1313 GFLOPS

18.98 TFLOPS

FP32 (float)

1313 GFLOPS

296.6 GFLOPS

FP64 (double)

82.08 GFLOPS

Board Design

115W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GA104

GPU Name

Baffin

GA104-775-A1

GPU Variant

Baffin PRO

Ampere

Architecture

GCN 4.0

Samsung

Foundry

GlobalFoundries

8 nm

Process Size

14 nm

17.4 billion

Transistors

3 billion

392 mm²

Die Size

123 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

8.6

CUDA

-

6.6

Shader Model

6.4

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