AMD Radeon RX 6600M vs AMD Radeon HD 6970M Rebrand

VS

AMD Radeon RX 6600M

AMD Radeon HD 6970M Rebrand

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 1024MB VRAM Radeon HD 6970M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 10 years and 4 months late

Boost Clock2416MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 64.00GB/s)

992 additional rendering cores

AMD Radeon HD 6970M Rebrand 's Advantages

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M +576%

8.659 TFLOPS

Radeon HD 6970M Rebrand

1.28 TFLOPS

Radeon RX 6600M

VS

Radeon HD 6970M Rebrand

Graphics Card

May 2021

Release Date

Jan 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

2068 MHz

Base Clock

-

2416 MHz

Boost Clock

-

1750 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

64.00GB/s

Render Config

28

Compute Units

10

-

1792

Shading Units

800

112

TMUs

40

64

ROPs

16

-

28

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

12.80 GPixel/s

270.6 GTexel/s

Texture Rate

32.00 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

1280 GFLOPS

541.2 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

Broadway

-

GPU Variant

Broadway XT

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

1.04 billion

237 mm²

Die Size

166 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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