Intel Core i7-2700K vs Intel Core i3-2100

Comparative analysis of Intel Core i7-2700K and Intel Core i3-2100 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, 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, 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).

 

Differences

Reasons to consider the Intel Core i7-2700K

  • CPU is newer: launch date 7 month(s) later
  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 2 more cores, run more applications at once: 4 vs 2
  • 4 more threads: 8 vs 4
  • Around 26% higher clock speed: 3.90 GHz vs 3.1 GHz
  • Around 5% higher maximum core temperature: 72.6°C vs 69.1°C
  • 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
  • Around 29% better performance in PassMark - Single thread mark: 1825 vs 1418
  • 3.1x better performance in PassMark - CPU mark: 5744 vs 1857
  • Around 56% better performance in Geekbench 4 - Single Core: 846 vs 544
  • 2.7x better performance in Geekbench 4 - Multi-Core: 3277 vs 1208
  • 2.2x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.472 vs 2.043
  • Around 92% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 66.305 vs 34.598
  • 2.5x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.557 vs 0.227
  • Around 74% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.632 vs 0.938
  • 2.2x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.935 vs 2.215
Specifications (specs)
Launch date October 2011 vs February 2011
Unlocked Unlocked vs Locked
Number of cores 4 vs 2
Number of threads 8 vs 4
Maximum frequency 3.90 GHz vs 3.1 GHz
Maximum core temperature 72.6°C vs 69.1°C
L1 cache 64 KB (per core) vs 64 KB (per core)
L2 cache 256 KB (per core) vs 256 KB (per core)
L3 cache 8192 KB (shared) vs 3072 KB (shared)
Benchmarks
PassMark - Single thread mark 1825 vs 1418
PassMark - CPU mark 5744 vs 1857
Geekbench 4 - Single Core 846 vs 544
Geekbench 4 - Multi-Core 3277 vs 1208
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 4.472 vs 2.043
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 66.305 vs 34.598
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.557 vs 0.227
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.632 vs 0.938
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 4.935 vs 2.215

Reasons to consider the Intel Core i3-2100

  • Around 46% lower typical power consumption: 65 Watt vs 95 Watt
Thermal Design Power (TDP) 65 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Core i7-2700K
CPU 2: Intel Core i3-2100

PassMark - Single thread mark
CPU 1
CPU 2
1825
1418
PassMark - CPU mark
CPU 1
CPU 2
5744
1857
Geekbench 4 - Single Core
CPU 1
CPU 2
846
544
Geekbench 4 - Multi-Core
CPU 1
CPU 2
3277
1208
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
4.472
2.043
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
66.305
34.598
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
0.557
0.227
CompuBench 1.5 Desktop - Video Composition (Frames/s)
CPU 1
CPU 2
1.632
0.938
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
CPU 1
CPU 2
4.935
2.215
Name Intel Core i7-2700K Intel Core i3-2100
PassMark - Single thread mark 1825 1418
PassMark - CPU mark 5744 1857
Geekbench 4 - Single Core 846 544
Geekbench 4 - Multi-Core 3277 1208
3DMark Fire Strike - Physics Score 3461 0
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 4.472 2.043
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 66.305 34.598
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.557 0.227
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.632 0.938
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 4.935 2.215

Compare specifications (specs)

Intel Core i7-2700K Intel Core i3-2100

Essentials

Architecture codename Sandy Bridge Sandy Bridge
Launch date October 2011 February 2011
Launch price (MSRP) $514 $73
Place in performance rating 2243 2908
Price now $288.99 $59.99
Processor Number i7-2700K i3-2100
Series Legacy Intel® Core™ Processors Legacy Intel® Core™ Processors
Status Discontinued Discontinued
Value for money (0-100) 8.88 18.10
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 3.50 GHz 3.10 GHz
Bus Speed 5 GT/s DMI 5 GT/s DMI
Die size 216 mm 131 mm
L1 cache 64 KB (per core) 64 KB (per core)
L2 cache 256 KB (per core) 256 KB (per core)
L3 cache 8192 KB (shared) 3072 KB (shared)
Manufacturing process technology 32 nm 32 nm
Maximum core temperature 72.6°C 69.1°C
Maximum frequency 3.90 GHz 3.1 GHz
Number of cores 4 2
Number of threads 8 4
Transistor count 1160 million 504 million
Unlocked

Memory

Max memory channels 2 2
Maximum memory bandwidth 21 GB/s 21 GB/s
Maximum memory size 32 GB 32 GB
Supported memory types DDR3 1066/1333 DDR3 1066/1333

Graphics

Device ID 0x112 0x102
Graphics base frequency 850 MHz 850 MHz
Graphics max dynamic frequency 1.35 GHz 1.10 GHz
Graphics max frequency 1.35 GHz 1.1 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics Intel® HD Graphics 3000 Intel® HD Graphics 2000

Graphics interfaces

Number of displays supported 2 2
Wireless Display (WiDi) support

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 1
Package Size 37.5mm x 37.5mm 37.5mm x 37.5mm
Sockets supported LGA1155 FCLGA1155
Thermal Design Power (TDP) 95 Watt 65 Watt

Peripherals

Max number of PCIe lanes 16 16
PCI Express revision 2.0 2.0

Security & Reliability

Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)

Advanced Technologies

Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring

Virtualization

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