AMD Radeon HD 8970M vs AMD Radeon RX 6600S

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 4GB VRAM Radeon RX 6600S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600S 's Advantages

Released 8 years and 8 months late

Boost Clock has increased by 122% (2000MHz vs 900MHz)

Larger VRAM bandwidth (224.0GB/s vs 153.6GB/s)

512 additional rendering cores

Lower TDP (80W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 8970M

2.304 TFLOPS

Radeon RX 6600S +211%

7.168 TFLOPS

Radeon HD 8970M

VS

Radeon RX 6600S

Graphics Card

May 2013

Release Date

Jan 2022

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

850 MHz

Base Clock

1700 MHz

900 MHz

Boost Clock

2000 MHz

1200 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

20

Compute Units

28

1280

Shading Units

1792

80

TMUs

112

32

ROPs

64

-

Tensor Cores

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

128.0 GPixel/s

72.00 GTexel/s

Texture Rate

224.0 GTexel/s

-

FP16 (half)

14.34 TFLOPS

2.304 TFLOPS

FP32 (float)

7.168 TFLOPS

144.0 GFLOPS

FP64 (double)

448.0 GFLOPS

Graphics Processor

Neptune

GPU Name

Navi 23

Neptune XT (216-0847000)

GPU Variant

-

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

11.06 billion

212 mm²

Die Size

237 mm²

Board Design

100W

TDP

80W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

5.1

Shader Model

6.5

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