AMD Radeon R9 M385X vs NVIDIA GeForce RTX 4080 Max-Q

VS

AMD Radeon R9 M385X NVIDIA GeForce RTX 4080 Max-Q

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 12GB VRAM GeForce RTX 4080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Max-Q 's Advantages

Released 7 years and 8 months late

Boost Clock has increased by 23% (1350MHz vs 1100MHz)

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (336.0GB/s vs 76.80GB/s)

6528 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X

1.971 TFLOPS

GeForce RTX 4080 Max Q +916%

20.04 TFLOPS

Radeon R9 M385X

VS

GeForce RTX 4080 Max Q

Graphics Card

May 2015

Release Date

Jan 2023

Gem System

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1000 MHz

Base Clock

795 MHz

1100 MHz

Boost Clock

1350 MHz

1200 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

192bit

76.80GB/s

Bandwidth

336.0GB/s

Render Config

-

SM Count

58

14

Compute Units

-

896

Shading Units

7424

56

TMUs

232

16

ROPs

80

-

Tensor Cores

232

-

RT Cores

58

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

48 MB

Theoretical Performance

17.60 GPixel/s

Pixel Rate

108.0 GPixel/s

61.60 GTexel/s

Texture Rate

313.2 GTexel/s

-

FP16 (half)

20.04 TFLOPS

1.971 TFLOPS

FP32 (float)

20.04 TFLOPS

123.2 GFLOPS

FP64 (double)

313.2 GFLOPS

Graphics Processor

Strato

GPU Name

AD104

Strato XT

GPU Variant

GN21-X9

GCN 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

2.08 billion

Transistors

35.8 billion

160 mm²

Die Size

295 mm²

Board Design

Unknown

TDP

60W

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

8.9

6.5

Shader Model

6.7

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