Intel Core i7-11700K vs Intel Core i7-5775C

Comparative analysis of Intel Core i7-11700K and Intel Core i7-5775C 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the Intel Core i7-11700K

  • CPU is newer: launch date 5 year(s) 9 month(s) later
  • 4 more cores, run more applications at once: 8 vs 4
  • 8 more threads: 16 vs 8
  • Around 35% higher clock speed: 5.00 GHz vs 3.70 GHz
  • 2x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 2.7x more L3 cache, more data can be stored in the L3 cache for quick access later
  • 4x more maximum memory size: 128 GB vs 32 GB
  • Around 49% better performance in PassMark - Single thread mark: 3402 vs 2277
  • 3.2x better performance in PassMark - CPU mark: 24581 vs 7697
Specifications (specs)
Launch date 16 Mar 2021 vs 2 June 2015
Number of cores 8 vs 4
Number of threads 16 vs 8
Maximum frequency 5.00 GHz vs 3.70 GHz
L1 cache 512 KB vs 256 KB
L2 cache 2 MB vs 1 MB
L3 cache 16 MB vs 6 MB
Maximum memory size 128 GB vs 32 GB
Benchmarks
PassMark - Single thread mark 3402 vs 2277
PassMark - CPU mark 24581 vs 7697

Reasons to consider the Intel Core i7-5775C

  • Around 92% lower typical power consumption: 65 Watt vs 125 Watt
  • Around 36% better performance in 3DMark Fire Strike - Physics Score: 11035 vs 8127
Specifications (specs)
Thermal Design Power (TDP) 65 Watt vs 125 Watt
Benchmarks
3DMark Fire Strike - Physics Score 11035 vs 8127

Compare benchmarks

CPU 1: Intel Core i7-11700K
CPU 2: Intel Core i7-5775C

PassMark - Single thread mark
CPU 1
CPU 2
3402
2277
PassMark - CPU mark
CPU 1
CPU 2
24581
7697
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
8127
11035
Name Intel Core i7-11700K Intel Core i7-5775C
PassMark - Single thread mark 3402 2277
PassMark - CPU mark 24581 7697
3DMark Fire Strike - Physics Score 8127 11035
Geekbench 4 - Single Core 1055
Geekbench 4 - Multi-Core 4229
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 21.742
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 195.658
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.01
CompuBench 1.5 Desktop - Video Composition (Frames/s) 6.638
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 55.701
GFXBench 4.0 - Car Chase Offscreen (Frames) 2894
GFXBench 4.0 - Manhattan (Frames) 6083
GFXBench 4.0 - T-Rex (Frames) 9954
GFXBench 4.0 - Car Chase Offscreen (Fps) 2894
GFXBench 4.0 - Manhattan (Fps) 6083
GFXBench 4.0 - T-Rex (Fps) 9954

Compare specifications (specs)

Intel Core i7-11700K Intel Core i7-5775C

Essentials

Architecture codename Rocket Lake Broadwell
Launch date 16 Mar 2021 2 June 2015
Launch price (MSRP) $399 - $409 $366
Place in performance rating 491 492
Processor Number i7-11700K i7-5775C
Series 11th Generation Intel Core i7 Processors 5th Generation Intel® Core™ i7 Processors
Status Launched Launched
Vertical segment Desktop Desktop
Price now $449.99
Value for money (0-100) 7.20

Performance

64 bit support
Base frequency 3.60 GHz 3.30 GHz
Bus Speed 8 GT/s 5 GT/s DMI2
L1 cache 512 KB 256 KB
L2 cache 2 MB 1 MB
L3 cache 16 MB 6 MB
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 100°C
Maximum frequency 5.00 GHz 3.70 GHz
Number of cores 8 4
Number of threads 16 8

Memory

Max memory channels 2 2
Maximum memory bandwidth 50 GB/s 25.6 GB/s
Maximum memory size 128 GB 32 GB
Supported memory types DDR4-3200 DDR3L-1333/1600 @ 1.5V

Graphics

Device ID 0x4C8A 0x1622
Execution Units 32
Graphics base frequency 350 MHz 300 MHz
Graphics max dynamic frequency 1.30 GHz 1.15 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory 64 GB 32 GB
Processor graphics Intel UHD Graphics 750 Intel® Iris® Pro Graphics 6200
eDRAM 128 MB
Graphics max frequency 1.15 GHz
Intel® Flexible Display Interface (Intel® FDI)

Graphics interfaces

Number of displays supported 3 3
DisplayPort
DVI
eDP
HDMI
VGA
Wireless Display (WiDi) support

Graphics image quality

4K resolution support
Max resolution over DisplayPort 5120 x 3200 @60Hz 3840x2160@60Hz
Max resolution over eDP 5120 x 3200 @60Hz 3840x2160@60Hz
Max resolution over HDMI 1.4 4096x2304@24Hz
Max resolution over VGA 1920x1200@60Hz

Graphics API support

DirectX 12.1 11.2
OpenGL 4.5 4.3

Compatibility

Configurable TDP-down 95 Watt 37 W
Configurable TDP-down Frequency 3.10 GHz 2.20 GHz
Max number of CPUs in a configuration 1 1
Package Size 37.5 mm x 37.5 mm 37.5mm x 37.5mm
Sockets supported FCLGA1200 FCLGA1150
Thermal Design Power (TDP) 125 Watt 65 Watt
Thermal Solution PCG 2019A PCA 2013D
Low Halogen Options Available

Peripherals

Max number of PCIe lanes 20 16
PCI Express revision 4.0 3.0
PCIe configurations Up to 1x16+1x4, 2x8+1x4, 1x8+3x4 Up to 1x16, 2x8, 1x8+2x4
Scalability 1S Only 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
Anti-Theft technology

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel SSE4.1, Intel SSE4.2, Intel AVX2, Intel AVX-512 Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® Thermal Velocity Boost
Intel® Turbo Boost technology
Thermal Monitoring
4G WiMAX Wireless
Flexible Display interface (FDI)
Intel® Advanced Vector Extensions (AVX)
Intel® TSX-NI
Intel® vPro™ Platform Eligibility

Virtualization

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