AMD Radeon HD 8670A vs NVIDIA GeForce RTX 4070 Mobile

VS

AMD Radeon HD 8670A

NVIDIA GeForce RTX 4070 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 8GB VRAM GeForce RTX 4070 Mobile 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 115W)

NVIDIA GeForce RTX 4070 Mobile 's Advantages

Released 9 years and 11 months late

Boost Clock1695MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 16.00GB/s)

4224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

GeForce RTX 4070 Mobile +3288%

15.62 TFLOPS

Radeon HD 8670A

VS

GeForce RTX 4070 Mobile

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

1395 MHz

-

Boost Clock

1695 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

256.0GB/s

Render Config

6

Compute Units

-

SM Count

36

384

Shading Units

4608

24

TMUs

144

8

ROPs

48

-

Tensor Cores

144

-

RT Cores

36

16 KB (per CU)

L1 Cache

128 KB (per SM)

128 KB

L2 Cache

32 MB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

81.36 GPixel/s

14.40 GTexel/s

Texture Rate

244.1 GTexel/s

-

FP16 (half)

15.62 TFLOPS

460.8 GFLOPS

FP32 (float)

15.62 TFLOPS

28.80 GFLOPS

FP64 (double)

244.1 GFLOPS

Board Design

45W

TDP

115W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

AD106

Mars XT

GPU Variant

GN21-X6

GCN 1.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

0.95 billion

Transistors

Unknown

77 mm²

Die Size

190 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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