AMD Radeon HD 8690M vs NVIDIA GeForce RTX 4080 Max-Q

VS

AMD Radeon HD 8690M

NVIDIA GeForce RTX 4080 Max-Q

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M and 12GB VRAM GeForce RTX 4080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Max-Q 's Advantages

Released 9 years and 10 months late

Boost Clock has increased by 38% (1350MHz vs 975MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (336.0GB/s vs 32.00GB/s)

7104 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8690M

0.624 TFLOPS

GeForce RTX 4080 Max Q +3111%

20.04 TFLOPS

Radeon HD 8690M

VS

GeForce RTX 4080 Max Q

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

795 MHz

975 MHz

Boost Clock

1350 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

192bit

32.00GB/s

Bandwidth

336.0GB/s

Render Config

5

Compute Units

-

SM Count

58

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

108.0 GPixel/s

19.50 GTexel/s

Texture Rate

313.2 GTexel/s

-

FP16 (half)

20.04 TFLOPS

624.0 GFLOPS

FP32 (float)

20.04 TFLOPS

39.00 GFLOPS

FP64 (double)

313.2 GFLOPS

Board Design

Unknown

TDP

60W

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

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

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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