NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon HD 8690M

VS

NVIDIA GeForce RTX 4090 Mobile

AMD Radeon HD 8690M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 2GB VRAM Radeon HD 8690M 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 9 years and 10 months late

Boost Clock has increased by 74% (1695MHz vs 975MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 32.00GB/s)

9408 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Mobile +5185%

32.98 TFLOPS

Radeon HD 8690M

0.624 TFLOPS

GeForce RTX 4090 Mobile

VS

Radeon HD 8690M

Graphics Card

Jan 2023

Release Date

Mar 2013

GeForce 40 Mobile

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1335 MHz

Base Clock

925 MHz

1695 MHz

Boost Clock

975 MHz

2250 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

32.00GB/s

Render Config

-

Compute Units

5

76

SM Count

-

9728

Shading Units

320

304

TMUs

20

112

ROPs

8

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

128 KB

-

Theoretical Performance

189.8 GPixel/s

Pixel Rate

7.800 GPixel/s

515.3 GTexel/s

Texture Rate

19.50 GTexel/s

32.98 TFLOPS

FP16 (half)

-

32.98 TFLOPS

FP32 (float)

624.0 GFLOPS

515.3 GFLOPS

FP64 (double)

39.00 GFLOPS

Board Design

80-150W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

AD103

GPU Name

Sun

GN21-X11

GPU Variant

Sun S3 XT (216-0841009)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

45.9 billion

Transistors

0.69 billion

379 mm²

Die Size

56 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

-

6.8

Shader Model

6.5 (5.1)

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