Intel Core i3-11100B vs Intel Core i9-7940X

Comparative analysis of Intel Core i3-11100B and Intel Core i9-7940X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score.

 

Differences

Reasons to consider the Intel Core i3-11100B

  • Around 2% higher clock speed: 4.40 GHz vs 4.30 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm SuperFin vs 14 nm
  • 2.5x lower typical power consumption: 65 Watt vs 165 Watt
  • Around 17% better performance in PassMark - Single thread mark: 2912 vs 2486
Specifications (specs)
Maximum frequency 4.40 GHz vs 4.30 GHz
Manufacturing process technology 10 nm SuperFin vs 14 nm
Thermal Design Power (TDP) 65 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark 2912 vs 2486

Reasons to consider the Intel Core i9-7940X

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • Around 2% higher maximum core temperature: 102°C vs 100°C
  • 2.3x better performance in PassMark - CPU mark: 25945 vs 11357
Specifications (specs)
Unlocked Unlocked vs Locked
Maximum core temperature 102°C vs 100°C
Benchmarks
PassMark - CPU mark 25945 vs 11357

Compare benchmarks

CPU 1: Intel Core i3-11100B
CPU 2: Intel Core i9-7940X

PassMark - Single thread mark
CPU 1
CPU 2
2912
2486
PassMark - CPU mark
CPU 1
CPU 2
11357
25945
Name Intel Core i3-11100B Intel Core i9-7940X
PassMark - Single thread mark 2912 2486
PassMark - CPU mark 11357 25945
Geekbench 4 - Single Core 1153
Geekbench 4 - Multi-Core 12928
3DMark Fire Strike - Physics Score 10950

Compare specifications (specs)

Intel Core i3-11100B Intel Core i9-7940X

Essentials

Architecture codename Tiger Lake Skylake
Launch date Q2'21 September 2017
Place in performance rating 721 723
Processor Number i3-11100B i9-7940X
Series 11th Generation Intel Core i3 Processors Intel® Core™ X-series Processors
Status Launched Launched
Vertical segment Desktop Desktop
Launch price (MSRP) $1,399
Price now $1,129.99
Value for money (0-100) 6.63

Performance

64 bit support
Base frequency 3.60 GHz 3.10 GHz
Bus Speed 8 GT/s 8 GT/s DMI3
Manufacturing process technology 10 nm SuperFin 14 nm
Maximum core temperature 100°C 102°C
Maximum frequency 4.40 GHz 4.30 GHz
L1 cache 64 KB (per core)
L2 cache 1024 KB (per core)
L3 cache 19712 KB (shared)
Number of cores 14
Number of QPI Links 0
Number of threads 28
Unlocked

Memory

Max memory channels 2 4
Maximum memory bandwidth 51.2 GB/s
Maximum memory size 128 GB 128 GB
Supported memory types Up to 3200 MT/s DDR4-2666

Graphics

Execution Units 16
Graphics base frequency 350 MHz
Graphics max dynamic frequency 1.40 GHz
Intel® Quick Sync Video
Processor graphics Intel UHD Graphics for 11th Gen Intel Processors

Graphics interfaces

Number of displays supported 4

Graphics image quality

4K resolution support
Max resolution over DisplayPort 7680x4320@60Hz
Max resolution over eDP 4096 x 2304@60Hz

Graphics API support

DirectX 12
OpenGL 4.6

Compatibility

Configurable TDP-up 65 Watt
Max number of CPUs in a configuration 1 1
Package Size 50mm x 26.5mm
Thermal Design Power (TDP) 65 Watt 165 Watt
Low Halogen Options Available
Sockets supported FCLGA2066
Thermal Solution PCG 2017X

Peripherals

Max number of PCIe lanes 20 44
PCIe configurations Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
PCI Express revision 3.0
Scalability 1S Only

Security & Reliability

Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel SSE4.1, Intel SSE4.2, Intel AVX2 Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Speed Shift technology
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Intel® Turbo Boost technology
Number of AVX-512 FMA Units 2

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)