AMD Radeon RX 6600M vs ATI Mobility Radeon HD 4670

VS

AMD Radeon RX 6600M ATI Mobility Radeon HD 4670

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 512MB VRAM Mobility Radeon HD 4670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 12 years and 4 months late

Boost Clock2416MHz

Larger VRAM bandwidth (224.0GB/s vs 25.60GB/s)

1472 additional rendering cores

ATI Mobility Radeon HD 4670 's Advantages

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M +1904%

8.659 TFLOPS

Mobility Radeon HD 4670

0.432 TFLOPS

Radeon RX 6600M

VS

Mobility Radeon HD 4670

Graphics Card

May 2021

Release Date

Jan 2009

Mobility Radeon

Generation

M9x

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

2068 MHz

Base Clock

-

2416 MHz

Boost Clock

-

1750 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

28

Compute Units

4

1792

Shading Units

320

112

TMUs

32

64

ROPs

8

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

Theoretical Performance

154.6 GPixel/s

Pixel Rate

5.400 GPixel/s

270.6 GTexel/s

Texture Rate

21.60 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

432.0 GFLOPS

541.2 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 23

GPU Name

M96

-

GPU Variant

M96 XT (216-0729051)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

11.06 billion

Transistors

0.514 billion

237 mm²

Die Size

146 mm²

Board Design

100W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

4.1

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