AMD Radeon RX 6600S vs AMD Radeon 625 Mobile

VS

AMD Radeon RX 6600S

AMD Radeon 625 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6600S and 2GB VRAM Radeon 625 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600S 's Advantages

Released 2 years and 8 months late

Boost Clock has increased by 95% (2000MHz vs 1024MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 14.40GB/s)

1408 additional rendering cores

AMD Radeon 625 Mobile 's Advantages

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

Radeon RX 6600S +811%

7.168 TFLOPS

Radeon 625 Mobile

0.786 TFLOPS

Radeon RX 6600S

VS

Radeon 625 Mobile

Graphics Card

Jan 2022

Release Date

May 2019

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1700 MHz

Base Clock

730 MHz

2000 MHz

Boost Clock

1024 MHz

1750 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

14.40GB/s

Render Config

28

Compute Units

6

-

1792

Shading Units

384

112

TMUs

24

64

ROPs

8

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

128 KB

32 MB

L3 Cache

-

Theoretical Performance

128.0 GPixel/s

Pixel Rate

8.192 GPixel/s

224.0 GTexel/s

Texture Rate

24.58 GTexel/s

14.34 TFLOPS

FP16 (half)

786.4 GFLOPS

7.168 TFLOPS

FP32 (float)

786.4 GFLOPS

448.0 GFLOPS

FP64 (double)

49.15 GFLOPS

Board Design

80W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

Polaris 24

-

GPU Variant

Polaris 24 XT (216-0867030)

RDNA 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

1.55 billion

237 mm²

Die Size

125 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.3

Vulkan

1.2

-

6.5

Shader Model

6.3

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