AMD Radeon HD 6970M vs AMD Radeon RX 6600S

VS

AMD Radeon HD 6970M

AMD Radeon RX 6600S

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6970M 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 HD 6970M 's Advantages

Lower TDP (75W vs 80W)

AMD Radeon RX 6600S 's Advantages

Released 11 years late

Boost Clock2000MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 115.2GB/s)

832 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6970M

1.306 TFLOPS

Radeon RX 6600S +448%

7.168 TFLOPS

Radeon HD 6970M

VS

Radeon RX 6600S

Graphics Card

Jan 2011

Release Date

Jan 2022

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1700 MHz

-

Boost Clock

2000 MHz

900 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

224.0GB/s

Render Config

12

Compute Units

28

-

960

Shading Units

1792

48

TMUs

112

32

ROPs

64

-

RT Cores

28

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

21.76 GPixel/s

Pixel Rate

128.0 GPixel/s

32.64 GTexel/s

Texture Rate

224.0 GTexel/s

-

FP16 (half)

14.34 TFLOPS

1306 GFLOPS

FP32 (float)

7.168 TFLOPS

-

FP64 (double)

448.0 GFLOPS

Board Design

75W

TDP

80W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

Navi 23

Blackcomb XT (216-0811000)

GPU Variant

-

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.7 billion

Transistors

11.06 billion

212 mm²

Die Size

237 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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