AMD Radeon HD 8970M vs AMD Radeon RX 6600M

VS

AMD Radeon HD 8970M

AMD Radeon RX 6600M

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 8GB VRAM Radeon RX 6600M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 8 years late

Boost Clock has increased by 168% (2416MHz vs 900MHz)

More VRAM (8GB vs 4GB)

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

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8970M

2.304 TFLOPS

Radeon RX 6600M +275%

8.659 TFLOPS

Radeon HD 8970M

VS

Radeon RX 6600M

Graphics Card

May 2013

Release Date

May 2021

Solar System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

850 MHz

Base Clock

2068 MHz

900 MHz

Boost Clock

2416 MHz

1200 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

224.0GB/s

Render Config

20

Compute Units

28

-

1280

Shading Units

1792

80

TMUs

112

32

ROPs

64

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

154.6 GPixel/s

72.00 GTexel/s

Texture Rate

270.6 GTexel/s

-

FP16 (half)

17.32 TFLOPS

2.304 TFLOPS

FP32 (float)

8.659 TFLOPS

144.0 GFLOPS

FP64 (double)

541.2 GFLOPS

Board Design

100W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

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

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

-

5.1

Shader Model

6.5

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