AMD Radeon RX 6600M vs AMD Radeon Pro 455

VS

AMD Radeon RX 6600M

AMD Radeon Pro 455

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 2GB VRAM Radeon Pro 455 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 4 years and 7 months late

Boost Clock2416MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 81.28GB/s)

1024 additional rendering cores

AMD Radeon Pro 455 's Advantages

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M +559%

8.659 TFLOPS

Radeon Pro 455

1.313 TFLOPS

Radeon RX 6600M

VS

Radeon Pro 455

Graphics Card

May 2021

Release Date

Oct 2016

Mobility Radeon

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

2068 MHz

Base Clock

-

2416 MHz

Boost Clock

-

1750 MHz

Memory Clock

1270 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

81.28GB/s

Render Config

28

Compute Units

12

-

1792

Shading Units

768

112

TMUs

48

64

ROPs

16

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

13.68 GPixel/s

270.6 GTexel/s

Texture Rate

41.04 GTexel/s

17.32 TFLOPS

FP16 (half)

1313 GFLOPS

8.659 TFLOPS

FP32 (float)

1313 GFLOPS

541.2 GFLOPS

FP64 (double)

82.08 GFLOPS

Board Design

100W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

Baffin

-

GPU Variant

Baffin PRO

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

11.06 billion

Transistors

3 billion

237 mm²

Die Size

123 mm²

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

-

6.5

Shader Model

6.4

Related GPU Comparisons

1

AMD Radeon RX 6600M vs AMD FirePro M7740

2

AMD Radeon RX 6600M vs NVIDIA GeForce RTX 3080 Mobile

3

AMD Radeon RX 6600M vs ATI Mobility Radeon X2300 HD

4

AMD Radeon RX 6600M vs AMD Radeon RX 6450M

5

AMD Radeon RX 6600M vs AMD Radeon 535 Mobile

6

AMD Radeon RX 6600M vs NVIDIA GeForce GTX 1080 Mobile

7

AMD Radeon RX 6600M vs AMD Radeon RX 540X Mobile

8

AMD Radeon RX 6600M vs NVIDIA GeForce 9300M GS

9

AMD Radeon RX 6600M vs NVIDIA GeForce 825M

10

AMD Radeon RX 6600M vs NVIDIA GeForce RTX 2070 SUPER Max Q

Related News

1

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

2

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

3

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

4

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

5

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

6

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

7

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

8

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

9

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

10

World's First! Intel Arc B580 Graphics Card Arrives Early