Ryzen 5 8640HS vs i7-3820QM

Place in the ranking	1512	619
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	no data
Power efficiency	7.46	41.52
Architecture codename	Ivy Bridge (2012−2013)	Hawk Point-HS (Zen 4) (2023−2024)
Release date	29 April 2012 (12 years ago)	6 December 2023 (less than a year ago)
Launch price (MSRP)	$498	no data

Detailed specifications

Core i7-3820QM and Ryzen 5 8640HS 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	4 (Quad-Core)	6 (Hexa-Core)
Threads	8	12
Base clock speed	2.7 GHz	3.5 GHz
Boost clock speed	3.7 GHz	4.9 GHz
Bus rate	5 GT/s	no data
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	8 MB (shared)	16 MB (shared)
Chip lithography	22 nm	4 nm
Die size	160 mm²	178 mm²
Maximum core temperature	105 °C	100 °C
Number of transistors	1,400 million	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Core i7-3820QM and Ryzen 5 8640HS 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	1
Socket	FCBGA1224,FCPGA988	FP8
Power consumption (TDP)	45 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3820QM and Ryzen 5 8640HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Demand Based Switching	-	no data
FDI	+	no data
Fast Memory Access	+	no data
Precision Boost 2	no data	+

Security technologies

Core i7-3820QM and Ryzen 5 8640HS technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	-
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3820QM and Ryzen 5 8640HS 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 i7-3820QM and Ryzen 5 8640HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 4000	AMD Radeon 760M
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.25 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-3820QM and Ryzen 5 8640HS integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-3820QM and Ryzen 5 8640HS.

PCIe version	3.0	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.

i7-3820QM 3.68

Ryzen 5 8640HS 12.75
+246%

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.

i7-3820QM 5634

Ryzen 5 8640HS 19513
+246%

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.

i7-3820QM 625

Ryzen 5 8640HS 2125
+240%

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.

i7-3820QM 2135

Ryzen 5 8640HS 7852
+268%

Gaming performance

Pros & cons summary

Performance score	3.68	12.75
Integrated graphics card	1.18	15.00
Recency	29 April 2012	6 December 2023
Physical cores	4	6
Threads	8	12
Chip lithography	22 nm	4 nm
Power consumption (TDP)	45 Watt	28 Watt

Ryzen 5 8640HS has a 246.5% higher aggregate performance score, 1171.2% faster integrated GPU, an age advantage of 11 years, 50% more physical cores and 50% more threads, a 450% more advanced lithography process, and 60.7% lower power consumption.

The Ryzen 5 8640HS is our recommended choice as it beats the Core i7-3820QM in performance tests.

Should you still have questions on choice between Core i7-3820QM and Ryzen 5 8640HS, ask them in Comments section, and we shall answer.