AMD Radeon HD 8670A vs NVIDIA GeForce RTX 4080 Max-Q

VS

AMD Radeon HD 8670A

NVIDIA GeForce RTX 4080 Max-Q

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A 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

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 60W)

NVIDIA GeForce RTX 4080 Max-Q 's Advantages

Released 9 years and 11 months late

Boost Clock1350MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (336.0GB/s vs 16.00GB/s)

7040 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

GeForce RTX 4080 Max Q +4247%

20.04 TFLOPS

Radeon HD 8670A

VS

GeForce RTX 4080 Max Q

Graphics Card

Feb 2013

Release Date

Jan 2023

All-In-One

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

795 MHz

-

Boost Clock

1350 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

12GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

192bit

16.00GB/s

Bandwidth

336.0GB/s

Render Config

6

Compute Units

-

SM Count

58

384

Shading Units

7424

24

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

4.800 GPixel/s

Pixel Rate

108.0 GPixel/s

14.40 GTexel/s

Texture Rate

313.2 GTexel/s

-

FP16 (half)

20.04 TFLOPS

460.8 GFLOPS

FP32 (float)

20.04 TFLOPS

28.80 GFLOPS

FP64 (double)

313.2 GFLOPS

Board Design

45W

TDP

60W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

AD104

Mars XT

GPU Variant

GN21-X9

GCN 1.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

0.95 billion

Transistors

35.8 billion

77 mm²

Die Size

295 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.9

5.1

Shader Model

6.7

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