Ryzen 5 8640U vs i5-450M

Place in the ranking	2652	601
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i5	no data
Power efficiency	2.10	43.69
Architecture codename	Arrandale (2010−2011)	Hawk Point-U (Zen 4) (2023)
Release date	26 September 2010 (14 years ago)	6 December 2023 (1 year ago)
Launch price (MSRP)	$32	no data

Detailed specifications

Core i5-450M and Ryzen 5 8640U basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	6 (Hexa-Core)
Threads	4	12
Base clock speed	2.4 GHz	3.5 GHz
Boost clock speed	2.66 GHz	4.9 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	no data
Multiplier	18	no data
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	3 MB (shared)	16 MB (shared)
Chip lithography	32 nm	4 nm
Die size	81+114 mm²	178 mm²
Maximum core temperature	105 °C	100 °C
Number of transistors	382+177 Million	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Core i5-450M and Ryzen 5 8640U compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1 (Uniprocessor)	1
Socket	PGA988	FP8
Power consumption (TDP)	35 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-450M and Ryzen 5 8640U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI	-	+
FMA	+	-
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	+	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
PAE	36 Bit	no data
FDI	+	no data
Fast Memory Access	+	no data
Precision Boost 2	no data	+

Security technologies

Core i5-450M and Ryzen 5 8640U technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-450M and Ryzen 5 8640U are enumerated here.

AMD-V	-	+
VT-d	-	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-450M and Ryzen 5 8640U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	8 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	17.051 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for Previous Generation Intel Processors	AMD Radeon 760M ( - 2600 MHz)
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	766 MHz	no data

Graphics interfaces

Available interfaces and connections of Core i5-450M and Ryzen 5 8640U integrated GPUs.

Number of displays supported

no data

Peripherals

Specifications and connection of peripherals supported by Core i5-450M and Ryzen 5 8640U.

PCIe version	2.0	4.0
PCI Express lanes	16	20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i5-450M 0.77

Ryzen 5 8640U 12.82
+1565%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i5-450M 1239

Ryzen 5 8640U 20531
+1557%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i5-450M 347

Ryzen 5 8640U 2197
+533%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i5-450M 674

Ryzen 5 8640U 8345
+1138%

Gaming performance

Pros & cons summary

Performance score	0.77	12.82
Integrated graphics card	0.77	14.82
Recency	26 September 2010	6 December 2023
Physical cores	2	6
Threads	4	12
Chip lithography	32 nm	4 nm
Power consumption (TDP)	35 Watt	28 Watt

Ryzen 5 8640U has a 1564.9% higher aggregate performance score, 1824.7% faster integrated GPU, an age advantage of 13 years, 200% more physical cores and 200% more threads, a 700% more advanced lithography process, and 25% lower power consumption.

The Ryzen 5 8640U is our recommended choice as it beats the Core i5-450M in performance tests.

Should you still have questions on choice between Core i5-450M and Ryzen 5 8640U, ask them in Comments section, and we shall answer.