NVIDIA GeForce RTX 4080 Mobile vs AMD Radeon Pro Vega 20

VS

NVIDIA GeForce RTX 4080 Mobile

AMD Radeon Pro Vega 20

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 Mobile and 4GB VRAM Radeon Pro Vega 20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Mobile 's Advantages

Released 4 years and 2 months late

Boost Clock has increased by 30% (1665MHz vs 1283MHz)

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (432.0GB/s vs 189.4GB/s)

6144 additional rendering cores

AMD Radeon Pro Vega 20 's Advantages

Lower TDP (100W vs 110W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Mobile +652%

24.72 TFLOPS

Radeon Pro Vega 20

3.284 TFLOPS

GeForce RTX 4080 Mobile

VS

Radeon Pro Vega 20

Graphics Card

Jan 2023

Release Date

Nov 2018

GeForce 40 Mobile

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1290 MHz

Base Clock

815 MHz

1665 MHz

Boost Clock

1283 MHz

2250 MHz

Memory Clock

740 MHz

Memory

12GB

Memory Size

4GB

GDDR6

Memory Type

HBM2

192bit

Memory Bus

1024bit

432.0GB/s

Bandwidth

189.4GB/s

Render Config

-

Compute Units

20

58

SM Count

-

7424

Shading Units

1280

232

TMUs

80

ROPs

32

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

48 MB

L2 Cache

1024 KB

-

Theoretical Performance

133.2 GPixel/s

Pixel Rate

41.06 GPixel/s

386.3 GTexel/s

Texture Rate

102.6 GTexel/s

24.72 TFLOPS

FP16 (half)

6.569 TFLOPS

24.72 TFLOPS

FP32 (float)

3.284 TFLOPS

386.3 GFLOPS

FP64 (double)

205.3 GFLOPS

Board Design

110W

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

AD104

GPU Name

Vega 12

GN21-X9

GPU Variant

Vega 12 XTA

Ada Lovelace

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

4 nm

Process Size

14 nm

35.8 billion

Transistors

Unknown

295 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

8.9

CUDA

-

6.7

Shader Model

6.3

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