AMD Radeon RX 6450M vs AMD Radeon RX 640 Mobile

VS

AMD Radeon RX 6450M AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6450M and 2GB VRAM Radeon RX 640 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6450M 's Advantages

Released 3 years and 8 months late

Boost Clock has increased by 102% (2460MHz vs 1218MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (128.0GB/s vs 48.00GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6450M +142%

3.779 TFLOPS

Radeon RX 640 Mobile

1.559 TFLOPS

Radeon RX 6450M

VS

Radeon RX 640 Mobile

Graphics Card

Jan 2023

Release Date

May 2019

Navi Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x8

Clock Speeds

2000 MHz

Base Clock

1082 MHz

2460 MHz

Boost Clock

1218 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

64bit

128.0GB/s

Bandwidth

48.00GB/s

Render Config

-

SM Count

-

12

Compute Units

10

768

Shading Units

640

48

TMUs

40

32

ROPs

16

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

Theoretical Performance

78.72 GPixel/s

Pixel Rate

19.49 GPixel/s

118.1 GTexel/s

Texture Rate

48.72 GTexel/s

7.557 TFLOPS

FP16 (half)

1.559 TFLOPS

3.779 TFLOPS

FP32 (float)

1.559 TFLOPS

236.2 GFLOPS

FP64 (double)

97.44 GFLOPS

Graphics Processor

Navi 24

GPU Name

Polaris 23

Navi 24 XML

GPU Variant

Polaris 23 XT

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

6 nm

Process Size

14 nm

5.4 billion

Transistors

2.2 billion

107 mm²

Die Size

103 mm²

Board Design

50W

TDP

50W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

6.4

Related GPU Comparisons

1

AMD Radeon RX 6450M vs NVIDIA GeForce GTX 675M

2

AMD Radeon RX 6450M vs AMD Radeon Pro 575

3

AMD Radeon RX 6450M vs AMD FirePro W4130M

4

AMD Radeon RX 6450M vs ATI Mobility Radeon HD 2600 XT

5

AMD Radeon RX 6450M vs AMD Radeon HD 8850M

6

AMD Radeon RX 6450M vs NVIDIA RTX 500 Mobile Ada Generation

7

AMD Radeon RX 6450M vs NVIDIA GeForce MX130

8

AMD Radeon RX 6450M vs AMD Radeon Pro 570

9

AMD Radeon RX 6450M vs AMD Radeon RX 560 Mobile

10

AMD Radeon RX 6450M vs NVIDIA GeForce GT 230M

Related News

1

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2

2

AMD's Latest Breakthrough Technology Could Change the Game in the Future

3

Researchers Utilize NVIDIA Omniverse Platform to Analyze and Improve 3D Stacked Chip Designs

4

TSMC to Receive Over 60 EUV Lithography Machines Over the Next Two Years, Investing More Than $12.3 Billion

5

Samsung's Own 3nm Yield is Disheartening: Galaxy S25 May Introduce MediaTek for the First Time

6

AMD Ryzen 9000 DDR5 Memory Frequency Soars: Reaches 8000MHz with All Four Slots Occupied

7

Snapdragon 8 Gen 4 to Feature Frame Interpolation for GPU: A Game-Changing Experience

8

Intel Adds 5 New Device IDs to Latest Linux Xe Kernel in Preparation for Battlemage

9

Ryzen AI 9 365 Benchmark Results Leaked: Significant Improvements in Multi-Core and IPC Performance Over Previous Generation

10

Concerns Raised by Unstable 13th/14th Gen Core CPUs: Motherboard Manufacturers Worry About Impact on Arrow Lake Release and Sales