Intel Core i7-11700B vs Intel Core i9-11900KF

Comparative analysis of Intel Core i7-11700B and Intel Core i9-11900KF 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, 3DMark Fire Strike - Physics Score.

 

Differences

Reasons to consider the Intel Core i7-11700B

  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm SuperFin vs 14 nm
  • Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
  • Around 92% lower typical power consumption: 65 Watt vs 125 Watt
Manufacturing process technology 10 nm SuperFin vs 14 nm
L3 cache 24 MB vs 16 MB
Thermal Design Power (TDP) 65 Watt vs 125 Watt

Reasons to consider the Intel Core i9-11900KF

  • Around 10% higher clock speed: 5.30 GHz vs 4.80 GHz
  • Around 7% better performance in PassMark - Single thread mark: 3536 vs 3306
  • Around 12% better performance in PassMark - CPU mark: 24940 vs 22315
Specifications (specs)
Maximum frequency 5.30 GHz vs 4.80 GHz
Benchmarks
PassMark - Single thread mark 3536 vs 3306
PassMark - CPU mark 24940 vs 22315

Compare benchmarks

CPU 1: Intel Core i7-11700B
CPU 2: Intel Core i9-11900KF

PassMark - Single thread mark
CPU 1
CPU 2
3306
3536
PassMark - CPU mark
CPU 1
CPU 2
22315
24940
Name Intel Core i7-11700B Intel Core i9-11900KF
PassMark - Single thread mark 3306 3536
PassMark - CPU mark 22315 24940
3DMark Fire Strike - Physics Score 8382

Compare specifications (specs)

Intel Core i7-11700B Intel Core i9-11900KF

Essentials

Architecture codename Tiger Lake Rocket Lake
Launch date Q2'21 16 Mar 2021
Place in performance rating 414 442
Processor Number i7-11700B i9-11900KF
Series 11th Generation Intel Core i7 Processors 11th Generation Intel Core i9 Processors
Status Launched Launched
Vertical segment Desktop Desktop
Launch price (MSRP) $513 - $524

Performance

64 bit support
Base frequency 3.20 GHz 3.50 GHz
Bus Speed 8 GT/s 8 GT/s
L3 cache 24 MB 16 MB
Manufacturing process technology 10 nm SuperFin 14 nm
Maximum core temperature 100°C 100°C
Maximum frequency 4.80 GHz 5.30 GHz
L1 cache 512 KB
L2 cache 2 MB
Number of cores 8
Number of threads 16

Memory

Max memory channels 2 2
Maximum memory bandwidth 51.2 GB/s 50 GB/s
Maximum memory size 128 GB 128 GB
Supported memory types Up to 3200 MT/s DDR4-3200

Graphics

Execution Units 32
Graphics base frequency 350 MHz
Graphics max dynamic frequency 1.45 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-down 55 Watt 95 Watt
Configurable TDP-up 65 Watt
Max number of CPUs in a configuration 1 1
Package Size 50mm x 26.5mm 37.5 mm x 37.5 mm
Thermal Design Power (TDP) 65 Watt 125 Watt
Configurable TDP-down Frequency 3.00 GHz
Sockets supported FCLGA1200
Thermal Solution PCG 2019A

Peripherals

Max number of PCIe lanes 20 20
PCIe configurations Up to 1x16+1x4, 2x8+1x4, 1x8+3x4 Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
PCI Express revision 4.0
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® Stable Image Platform Program (SIPP)
Intel® Thermal Velocity Boost
Intel® Turbo Boost technology

Virtualization

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