NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon R9 M385

VS

NVIDIA GeForce RTX 4090 Mobile

AMD Radeon R9 M385

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 4GB VRAM Radeon R9 M385 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Mobile 's Advantages

Released 7 years and 8 months late

Boost Clock has increased by 70% (1695MHz vs 1000MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (576.0GB/s vs 76.80GB/s)

8832 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Mobile +1740%

32.98 TFLOPS

Radeon R9 M385

1.792 TFLOPS

GeForce RTX 4090 Mobile

VS

Radeon R9 M385

Graphics Card

Jan 2023

Release Date

May 2015

GeForce 40 Mobile

Generation

Gem System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1335 MHz

Base Clock

900 MHz

1695 MHz

Boost Clock

1000 MHz

2250 MHz

Memory Clock

1200 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

76.80GB/s

Render Config

-

Compute Units

14

76

SM Count

-

9728

Shading Units

896

304

TMUs

56

112

ROPs

16

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

256 KB

-

Theoretical Performance

189.8 GPixel/s

Pixel Rate

16.00 GPixel/s

515.3 GTexel/s

Texture Rate

56.00 GTexel/s

32.98 TFLOPS

FP16 (half)

-

32.98 TFLOPS

FP32 (float)

1.792 TFLOPS

515.3 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

80-150W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

AD103

GPU Name

Strato

GN21-X11

GPU Variant

Strato XT

Ada Lovelace

Architecture

GCN 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

45.9 billion

Transistors

2.08 billion

379 mm²

Die Size

160 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

8.9

CUDA

-

6.8

Shader Model

6.5

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