Ryzen 5 8645HS vs i3-11100B

Place in the ranking	999	498
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Power efficiency	10.40	30.41
Architecture codename	no data	Hawk Point-HS (Zen 4) (2023−2024)
Release date	1 April 2021 (3 years ago)	6 December 2023 (1 year ago)

Detailed specifications

Core i3-11100B and Ryzen 5 8645HS 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	3.6 GHz	4.3 GHz
Boost clock speed	4.4 GHz	5 GHz
Bus rate	8 GT/s	no data
L1 cache	no data	64 KB (per core)
L2 cache	no data	1 MB (per core)
L3 cache	12 MB	16 MB (shared)
Chip lithography	10 nm SuperFin	4 nm
Die size	no data	178 mm²
Maximum core temperature	100 °C	100 °C
Number of transistors	no data	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Core i3-11100B and Ryzen 5 8645HS 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	no data	FP8
Power consumption (TDP)	65 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-11100B and Ryzen 5 8645HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI	+	+
AVX	-	+
vPro	-	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
SIPP	+	-
Turbo Boost Max 3.0	+	no data
Precision Boost 2	no data	+
Deep Learning Boost	+	-

Security technologies

Core i3-11100B and Ryzen 5 8645HS technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-11100B and Ryzen 5 8645HS 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 i3-11100B and Ryzen 5 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	Up to 3200 MT/s	DDR5
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	45.8 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics for 11th Gen Intel Processors	AMD Radeon 760M ( - 2600 MHz)
Quick Sync Video	+	-
Graphics max frequency	1.4 GHz	no data
Execution Units	16	no data

Graphics interfaces

Available interfaces and connections of Core i3-11100B and Ryzen 5 8645HS integrated GPUs.

Number of displays supported	4	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Core i3-11100B and Ryzen 5 8645HS integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096 x 2304@30Hz	no data
Max resolution over eDP	4096 x 2304@60Hz	no data
Max resolution over DisplayPort	4096 x 2304@60Hz	no data

Graphics API support

APIs supported by Core i3-11100B and Ryzen 5 8645HS integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i3-11100B and Ryzen 5 8645HS.

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.

i3-11100B 7.15

Ryzen 5 8645HS 14.47
+102%

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.

i3-11100B 11357

Ryzen 5 8645HS 22980
+102%

Gaming performance

Pros & cons summary

Performance score	7.15	14.47
Integrated graphics card	5.58	14.91
Recency	1 April 2021	6 December 2023
Physical cores	4	6
Threads	8	12
Chip lithography	10 nm	4 nm
Power consumption (TDP)	65 Watt	45 Watt

Ryzen 5 8645HS has a 102.4% higher aggregate performance score, 167.2% faster integrated GPU, an age advantage of 2 years, 50% more physical cores and 50% more threads, a 150% more advanced lithography process, and 44.4% lower power consumption.

The Ryzen 5 8645HS is our recommended choice as it beats the Core i3-11100B in performance tests.

Should you still have questions on choice between Core i3-11100B and Ryzen 5 8645HS, ask them in Comments section, and we shall answer.