NVIDIA GeForce RTX 4080 Mobile vs AMD Radeon HD 8690M

VS

NVIDIA GeForce RTX 4080 Mobile AMD Radeon HD 8690M

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 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 4080 Mobile 's Advantages

Released 9 years and 10 months late

Boost Clock has increased by 71% (1665MHz vs 975MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432.0GB/s vs 32.00GB/s)

7104 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Mobile +3861%

24.72 TFLOPS

Radeon HD 8690M

0.624 TFLOPS

GeForce RTX 4080 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

1290 MHz

Base Clock

925 MHz

1665 MHz

Boost Clock

975 MHz

2250 MHz

Memory Clock

1000 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

64bit

432.0GB/s

Bandwidth

32.00GB/s

Render Config

58

SM Count

-

Compute Units

5

7424

Shading Units

320

232

TMUs

20

80

ROPs

8

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

48 MB

L2 Cache

128 KB

Theoretical Performance

133.2 GPixel/s

Pixel Rate

7.800 GPixel/s

386.3 GTexel/s

Texture Rate

19.50 GTexel/s

24.72 TFLOPS

FP16 (half)

-

24.72 TFLOPS

FP32 (float)

624.0 GFLOPS

386.3 GFLOPS

FP64 (double)

39.00 GFLOPS

Graphics Processor

AD104

GPU Name

Sun

GN21-X9

GPU Variant

Sun S3 XT (216-0841009)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

35.8 billion

Transistors

0.69 billion

295 mm²

Die Size

56 mm²

Board Design

110W

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

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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