i3-11100B vs Athlon 64 X2 3800+

Aggregate performance score

Athlon 64 X2 3800+
2005
2 cores / 2 threads, 89 Watt
0.40
Core i3-11100B
2021
4 cores / 8 threads, 65 Watt
7.15
+1688%

Core i3-11100B outperforms Athlon 64 X2 3800+ by a whopping 1688% based on our aggregate benchmark results.

Primary details

Comparing Athlon 64 X2 3800+ and Core i3-11100B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3013998
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiency0.4310.41
Architecture codenameManchester (2005−2006)no data
Release dateAugust 2005 (19 years ago)1 April 2021 (3 years ago)

Detailed specifications

Athlon 64 X2 3800+ and Core i3-11100B 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 cores2 (Dual-core)4 (Quad-Core)
Threads28
Base clock speedno data3.6 GHz
Boost clock speed2 GHz4.4 GHz
Bus rateno data8 GT/s
L1 cache256Kno data
L2 cache512 KBno data
L3 cache0 KB12 MB
Chip lithography90 nm10 nm SuperFin
Die size220 mm2no data
Maximum core temperatureno data100 °C
Number of transistors154 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Athlon 64 X2 3800+ and Core i3-11100B 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 configuration11
Socket939no data
Power consumption (TDP)89 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 64 X2 3800+ and Core i3-11100B. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
vProno data-
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
SIPP-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Athlon 64 X2 3800+ and Core i3-11100B technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon 64 X2 3800+ and Core i3-11100B are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 64 X2 3800+ and Core i3-11100B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataUp to 3200 MT/s
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data45.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics for 11th Gen Intel Processors
Quick Sync Video-+
Graphics max frequencyno data1.4 GHz
Execution Unitsno data16

Graphics interfaces

Available interfaces and connections of Athlon 64 X2 3800+ and Core i3-11100B integrated GPUs.

Number of displays supportedno data4
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Athlon 64 X2 3800+ and Core i3-11100B integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2304@30Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by Athlon 64 X2 3800+ and Core i3-11100B integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Athlon 64 X2 3800+ and Core i3-11100B.

PCIe versionno data3.0
PCI Express lanesno data16

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.

Athlon 64 X2 3800+ 0.40
i3-11100B 7.15
+1688%

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.

Athlon 64 X2 3800+ 629
i3-11100B 11357
+1706%

Gaming performance

Pros & cons summary


Performance score 0.40 7.15
Physical cores 2 4
Threads 2 8
Chip lithography 90 nm 10 nm
Power consumption (TDP) 89 Watt 65 Watt

i3-11100B has a 1687.5% higher aggregate performance score, 100% more physical cores and 300% more threads, a 800% more advanced lithography process, and 36.9% lower power consumption.

The Core i3-11100B is our recommended choice as it beats the Athlon 64 X2 3800+ in performance tests.

Note that Athlon 64 X2 3800+ is a desktop processor while Core i3-11100B is a notebook one.


Should you still have questions on choice between Athlon 64 X2 3800+ and Core i3-11100B, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Athlon 64 X2 3800+
Athlon 64 X2 3800+
Intel Core i3-11100B
Core i3-11100B

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Community ratings

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Questions & comments

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