NVIDIA GeForce RTX 4090 Max-Q vs AMD Radeon HD 8670M

VS

NVIDIA GeForce RTX 4090 Max-Q AMD Radeon HD 8670M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Max Q and 1024MB VRAM Radeon HD 8670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Max-Q 's Advantages

Released 9 years and 10 months late

Boost Clock has increased by 49% (1455MHz vs 975MHz)

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (448.0GB/s vs 14.40GB/s)

9408 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Max Q +4436%

28.31 TFLOPS

Radeon HD 8670M

0.624 TFLOPS

GeForce RTX 4090 Max Q

VS

Radeon HD 8670M

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

930 MHz

Base Clock

925 MHz

1455 MHz

Boost Clock

975 MHz

1750 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

14.40GB/s

Render Config

76

SM Count

-

Compute Units

5

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

163.0 GPixel/s

Pixel Rate

7.800 GPixel/s

442.3 GTexel/s

Texture Rate

19.50 GTexel/s

28.31 TFLOPS

FP16 (half)

-

28.31 TFLOPS

FP32 (float)

624.0 GFLOPS

442.3 GFLOPS

FP64 (double)

39.00 GFLOPS

Graphics Processor

AD103

GPU Name

Sun

GN21-X11

GPU Variant

Sun S3 XT (216-0841009)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

45.9 billion

Transistors

0.69 billion

379 mm²

Die Size

56 mm²

Board Design

80W

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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