AMD Radeon HD 8690M vs NVIDIA GeForce RTX 4080 Mobile

VS

AMD Radeon HD 8690M NVIDIA GeForce RTX 4080 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M and 12GB VRAM GeForce RTX 4080 Mobile 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)

Radeon HD 8690M

0.624 TFLOPS

GeForce RTX 4080 Mobile +3861%

24.72 TFLOPS

Radeon HD 8690M

VS

GeForce RTX 4080 Mobile

Graphics Card

Mar 2013

Release Date

Jan 2023

Solar System

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

925 MHz

Base Clock

1290 MHz

975 MHz

Boost Clock

1665 MHz

1000 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

192bit

32.00GB/s

Bandwidth

432.0GB/s

Render Config

-

SM Count

58

5

Compute Units

-

320

Shading Units

7424

20

TMUs

232

8

ROPs

80

-

Tensor Cores

232

-

RT Cores

58

16 KB (per CU)

L1 Cache

128 KB (per SM)

128 KB

L2 Cache

48 MB

Theoretical Performance

7.800 GPixel/s

Pixel Rate

133.2 GPixel/s

19.50 GTexel/s

Texture Rate

386.3 GTexel/s

-

FP16 (half)

24.72 TFLOPS

624.0 GFLOPS

FP32 (float)

24.72 TFLOPS

39.00 GFLOPS

FP64 (double)

386.3 GFLOPS

Graphics Processor

Sun

GPU Name

AD104

Sun S3 XT (216-0841009)

GPU Variant

GN21-X9

GCN 1.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

0.69 billion

Transistors

35.8 billion

56 mm²

Die Size

295 mm²

Board Design

Unknown

TDP

110W

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.3

-

CUDA

8.9

6.5 (5.1)

Shader Model

6.7

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