AMD Radeon RX 6600M vs AMD Radeon RX Vega M GL

VS

AMD Radeon RX 6600M AMD Radeon RX Vega M GL

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

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 3 years and 3 months late

Boost Clock has increased by 139% (2416MHz vs 1011MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (224.0GB/s vs 179.2GB/s)

512 additional rendering cores

AMD Radeon RX Vega M GL 's Advantages

Lower TDP (65W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M +234%

8.659 TFLOPS

Radeon RX Vega M GL

2.588 TFLOPS

Radeon RX 6600M

VS

Radeon RX Vega M GL

Graphics Card

May 2021

Release Date

Feb 2018

Mobility Radeon

Generation

Vega

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

IGP

Clock Speeds

2068 MHz

Base Clock

931 MHz

2416 MHz

Boost Clock

1011 MHz

1750 MHz

Memory Clock

700 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

HBM2

128bit

Memory Bus

1024bit

224.0GB/s

Bandwidth

179.2GB/s

Render Config

-

SM Count

-

28

Compute Units

20

1792

Shading Units

1280

112

TMUs

80

64

ROPs

32

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

Theoretical Performance

154.6 GPixel/s

Pixel Rate

32.35 GPixel/s

270.6 GTexel/s

Texture Rate

80.88 GTexel/s

17.32 TFLOPS

FP16 (half)

2.588 TFLOPS

8.659 TFLOPS

FP32 (float)

2.588 TFLOPS

541.2 GFLOPS

FP64 (double)

161.8 GFLOPS

Graphics Processor

Navi 23

GPU Name

Polaris 22

-

GPU Variant

VegaM XL (D715A714)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

11.06 billion

Transistors

5 billion

237 mm²

Die Size

208 mm²

Board Design

100W

TDP

65W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

6.4

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