AMD Radeon HD 7970M vs AMD Radeon RX 6600M

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M 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 9 years and 1 months late

Boost Clock2416MHz

More VRAM (8GB vs 2GB)

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

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7970M

2.176 TFLOPS

Radeon RX 6600M +297%

8.659 TFLOPS

Radeon HD 7970M

VS

Radeon RX 6600M

Graphics Card

Apr 2012

Release Date

May 2021

London

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2068 MHz

-

Boost Clock

2416 MHz

1200 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

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

27.20 GPixel/s

Pixel Rate

154.6 GPixel/s

68.00 GTexel/s

Texture Rate

270.6 GTexel/s

-

FP16 (half)

17.32 TFLOPS

2.176 TFLOPS

FP32 (float)

8.659 TFLOPS

136.0 GFLOPS

FP64 (double)

541.2 GFLOPS

Graphics Processor

Wimbledon

GPU Name

Navi 23

Wimbledon XT (216-0836036)

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

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

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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