NVIDIA GeForce RTX 4080 Mobile vs AMD Radeon 550X Mobile

VS

NVIDIA GeForce RTX 4080 Mobile AMD Radeon 550X Mobile

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 Mobile and 4GB VRAM Radeon 550X Mobile 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 9 months late

Boost Clock has increased by 29% (1665MHz vs 1287MHz)

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (432.0GB/s vs 48.00GB/s)

6784 additional rendering cores

AMD Radeon 550X Mobile 's Advantages

Lower TDP (50W vs 110W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Mobile +1400%

24.72 TFLOPS

Radeon 550X Mobile

1.647 TFLOPS

GeForce RTX 4080 Mobile

VS

Radeon 550X Mobile

Graphics Card

Jan 2023

Release Date

Apr 2018

GeForce 40 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1290 MHz

Base Clock

1100 MHz

1665 MHz

Boost Clock

1287 MHz

2250 MHz

Memory Clock

1500 MHz

Memory

12GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

64bit

432.0GB/s

Bandwidth

48.00GB/s

Render Config

58

SM Count

-

Compute Units

10

7424

Shading Units

640

232

TMUs

40

80

ROPs

16

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

48 MB

L2 Cache

256 KB

Theoretical Performance

133.2 GPixel/s

Pixel Rate

20.59 GPixel/s

386.3 GTexel/s

Texture Rate

51.48 GTexel/s

24.72 TFLOPS

FP16 (half)

1.647 TFLOPS

24.72 TFLOPS

FP32 (float)

1.647 TFLOPS

386.3 GFLOPS

FP64 (double)

103.0 GFLOPS

Graphics Processor

AD104

GPU Name

Polaris 23

GN21-X9

GPU Variant

Polaris 23 MXT

Ada Lovelace

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

4 nm

Process Size

14 nm

35.8 billion

Transistors

2.2 billion

295 mm²

Die Size

103 mm²

Board Design

110W

TDP

50W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

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

8.9

CUDA

-

6.7

Shader Model

6.4

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