AMD Radeon R9 M390X vs NVIDIA GeForce RTX 4070 Max-Q

VS

AMD Radeon R9 M390X

NVIDIA GeForce RTX 4070 Max-Q

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M390X and 8GB VRAM GeForce RTX 4070 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 Max-Q 's Advantages

Released 7 years and 8 months late

Boost Clock1230MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (224.0GB/s vs 160.0GB/s)

2560 additional rendering cores

Lower TDP (35W vs 75W)

Score

Benchmark

FP32 (float)

Radeon R9 M390X

2.961 TFLOPS

GeForce RTX 4070 Max Q +282%

11.34 TFLOPS

Radeon R9 M390X

VS

GeForce RTX 4070 Max Q

Graphics Card

May 2015

Release Date

Jan 2023

Crystal System

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

735 MHz

-

Boost Clock

1230 MHz

1250 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

224.0GB/s

Render Config

32

Compute Units

-

SM Count

36

2048

Shading Units

4608

128

TMUs

144

32

ROPs

48

-

Tensor Cores

144

-

RT Cores

36

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

32 MB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

59.04 GPixel/s

92.54 GTexel/s

Texture Rate

177.1 GTexel/s

2.961 TFLOPS

FP16 (half)

11.34 TFLOPS

2.961 TFLOPS

FP32 (float)

11.34 TFLOPS

185.1 GFLOPS

FP64 (double)

177.1 GFLOPS

Board Design

75W

TDP

35W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

AD106

Amethyst XT

GPU Variant

GN21-X6

GCN 3.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

5 billion

Transistors

Unknown

366 mm²

Die Size

190 mm²

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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