NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon HD 7970M

VS

NVIDIA GeForce RTX 4090 Mobile AMD Radeon HD 7970M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 2GB VRAM Radeon HD 7970M 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 10 years and 9 months late

Boost Clock1695MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 153.6GB/s)

8448 additional rendering cores

AMD Radeon HD 7970M 's Advantages

Lower TDP (100W vs 120W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Mobile +1415%

32.98 TFLOPS

Radeon HD 7970M

2.176 TFLOPS

GeForce RTX 4090 Mobile

VS

Radeon HD 7970M

Graphics Card

Jan 2023

Release Date

Apr 2012

GeForce 40 Mobile

Generation

London

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1335 MHz

Base Clock

-

1695 MHz

Boost Clock

-

2250 MHz

Memory Clock

1200 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

153.6GB/s

Render Config

76

SM Count

-

Compute Units

20

9728

Shading Units

1280

304

TMUs

80

112

ROPs

32

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

512 KB

Theoretical Performance

189.8 GPixel/s

Pixel Rate

27.20 GPixel/s

515.3 GTexel/s

Texture Rate

68.00 GTexel/s

32.98 TFLOPS

FP16 (half)

-

32.98 TFLOPS

FP32 (float)

2.176 TFLOPS

515.3 GFLOPS

FP64 (double)

136.0 GFLOPS

Graphics Processor

AD103

GPU Name

Wimbledon

GN21-X11

GPU Variant

Wimbledon XT (216-0836036)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

45.9 billion

Transistors

2.8 billion

379 mm²

Die Size

212 mm²

Board Design

120W

TDP

100W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.9

CUDA

-

6.7

Shader Model

5.1

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