AMD Radeon R9 M485X vs NVIDIA GeForce RTX 4080 Mobile

VS

AMD Radeon R9 M485X NVIDIA GeForce RTX 4080 Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 12GB VRAM GeForce RTX 4080 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 6 years and 8 months late

Boost Clock1665MHz

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (432.0GB/s vs 160.0GB/s)

5376 additional rendering cores

Lower TDP (110W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M485X

2.961 TFLOPS

GeForce RTX 4080 Mobile +734%

24.72 TFLOPS

Radeon R9 M485X

VS

GeForce RTX 4080 Mobile

Graphics Card

May 2016

Release Date

Jan 2023

Crystal System

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1290 MHz

-

Boost Clock

1665 MHz

1250 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

160.0GB/s

Bandwidth

432.0GB/s

Render Config

-

SM Count

58

32

Compute Units

-

2048

Shading Units

7424

128

TMUs

232

32

ROPs

80

-

Tensor Cores

232

-

RT Cores

58

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

48 MB

Theoretical Performance

23.14 GPixel/s

Pixel Rate

133.2 GPixel/s

92.54 GTexel/s

Texture Rate

386.3 GTexel/s

2.961 TFLOPS

FP16 (half)

24.72 TFLOPS

2.961 TFLOPS

FP32 (float)

24.72 TFLOPS

185.1 GFLOPS

FP64 (double)

386.3 GFLOPS

Graphics Processor

Amethyst

GPU Name

AD104

Amethyst XT

GPU Variant

GN21-X9

GCN 3.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

5 billion

Transistors

35.8 billion

366 mm²

Die Size

295 mm²

Board Design

250W

TDP

110W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.9

6.3

Shader Model

6.7

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