NVIDIA GeForce RTX 4070 Mobile vs AMD Radeon RX 7900M

VS

NVIDIA GeForce RTX 4070 Mobile

AMD Radeon RX 7900M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Mobile and 16GB VRAM Radeon RX 7900M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 Mobile 's Advantages

Lower TDP (115W vs 180W)

AMD Radeon RX 7900M 's Advantages

Released 9 months late

Boost Clock has increased by 23% (2090MHz vs 1695MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 256.0GB/s)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 Mobile

15.62 TFLOPS

Radeon RX 7900M +146%

38.52 TFLOPS

Blender

GeForce RTX 4070 Mobile +53%

3963

Radeon RX 7900M

2583

GeForce RTX 4070 Mobile

VS

Radeon RX 7900M

Graphics Card

Jan 2023

Release Date

Oct 2023

GeForce 40 Mobile

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1395 MHz

Base Clock

1825 MHz

1695 MHz

Boost Clock

2090 MHz

2000 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

256bit

256.0GB/s

Bandwidth

576.0GB/s

Render Config

-

Compute Units

72

36

SM Count

-

4608

Shading Units

4608

144

TMUs

288

48

ROPs

192

144

Tensor Cores

-

36

RT Cores

72

128 KB (per SM)

L1 Cache

256 KB per Array

32 MB

L2 Cache

6 MB

-

L3 Cache

64 MB

Theoretical Performance

81.36 GPixel/s

Pixel Rate

401.3 GPixel/s

244.1 GTexel/s

Texture Rate

601.9 GTexel/s

15.62 TFLOPS

FP16 (half)

77.05 TFLOPS

15.62 TFLOPS

FP32 (float)

38.52 TFLOPS

244.1 GFLOPS

FP64 (double)

1204 GFLOPS

Board Design

115W

TDP

180W

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

AD106

GPU Name

Navi 31

GN21-X6

GPU Variant

Navi 31

Ada Lovelace

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

4 nm

Process Size

5 nm

Unknown

Transistors

57.7 billion

190 mm²

Die Size

529 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.2

1.3

Vulkan

1.3

8.9

CUDA

-

6.7

Shader Model

6.7

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