NVIDIA GeForce RTX 4070 Mobile vs AMD Radeon HD 8790M

VS

NVIDIA GeForce RTX 4070 Mobile

AMD Radeon HD 8790M

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Mobile and 2GB VRAM Radeon HD 8790M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 Mobile 's Advantages

Released 9 years and 9 months late

Boost Clock has increased by 88% (1695MHz vs 900MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 64.00GB/s)

4224 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4070 Mobile +2160%

15.62 TFLOPS

Radeon HD 8790M

0.691 TFLOPS

GeForce RTX 4070 Mobile

VS

Radeon HD 8790M

Graphics Card

Jan 2023

Release Date

Apr 2013

GeForce 40 Mobile

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

1395 MHz

Base Clock

850 MHz

1695 MHz

Boost Clock

900 MHz

2000 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

36

SM Count

-

4608

Shading Units

384

144

TMUs

24

48

ROPs

8

144

Tensor Cores

-

36

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

32 MB

L2 Cache

256 KB

-

Theoretical Performance

81.36 GPixel/s

Pixel Rate

7.200 GPixel/s

244.1 GTexel/s

Texture Rate

21.60 GTexel/s

15.62 TFLOPS

FP16 (half)

-

15.62 TFLOPS

FP32 (float)

691.2 GFLOPS

244.1 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

115W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

AD106

GPU Name

Mars

GN21-X6

GPU Variant

Mars M2 XTX (216-0842036)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

0.95 billion

190 mm²

Die Size

77 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

8.9

CUDA

-

6.7

Shader Model

6.5 (5.1)

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