Intel Core i3-3240 vs Intel Core i7-875K

Comparative analysis of Intel Core i3-3240 and Intel Core i7-875K 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), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the Intel Core i3-3240

  • CPU is newer: launch date 2 year(s) 4 month(s) later
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
  • 2x more maximum memory size: 32 GB vs 16 GB
  • Around 73% lower typical power consumption: 55 Watt vs 95 Watt
  • Around 32% better performance in PassMark - Single thread mark: 1782 vs 1351
  • Around 6% better performance in Geekbench 4 - Single Core: 603 vs 567
  • 2.4x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 2.244 vs 0.925
Specifications (specs)
Launch date September 2012 vs May 2010
Manufacturing process technology 22 nm vs 45 nm
Maximum memory size 32 GB vs 16 GB
Thermal Design Power (TDP) 55 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark 1782 vs 1351
Geekbench 4 - Single Core 603 vs 567
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.244 vs 0.925

Reasons to consider the Intel Core i7-875K

  • 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 6% higher clock speed: 3.60 GHz vs 3.4 GHz
  • Around 11% higher maximum core temperature: 72.7°C vs 65.3°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 34% better performance in PassMark - CPU mark: 3100 vs 2321
  • Around 61% better performance in Geekbench 4 - Multi-Core: 2163 vs 1343
  • Around 39% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 51.608 vs 37.104
  • Around 35% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.35 vs 0.26
  • Around 5% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.146 vs 1.087
  • Around 66% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.459 vs 2.68
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 4 vs 2
Number of threads 8 vs 4
Maximum frequency 3.60 GHz vs 3.4 GHz
Maximum core temperature 72.7°C vs 65.3°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 - CPU mark 3100 vs 2321
Geekbench 4 - Multi-Core 2163 vs 1343
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 51.608 vs 37.104
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.35 vs 0.26
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.146 vs 1.087
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 4.459 vs 2.68

Compare benchmarks

CPU 1: Intel Core i3-3240
CPU 2: Intel Core i7-875K

PassMark - Single thread mark
CPU 1
CPU 2
1782
1351
PassMark - CPU mark
CPU 1
CPU 2
2321
3100
Geekbench 4 - Single Core
CPU 1
CPU 2
603
567
Geekbench 4 - Multi-Core
CPU 1
CPU 2
1343
2163
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
2.244
0.925
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
37.104
51.608
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
0.26
0.35
CompuBench 1.5 Desktop - Video Composition (Frames/s)
CPU 1
CPU 2
1.087
1.146
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
CPU 1
CPU 2
2.68
4.459
Name Intel Core i3-3240 Intel Core i7-875K
PassMark - Single thread mark 1782 1351
PassMark - CPU mark 2321 3100
Geekbench 4 - Single Core 603 567
Geekbench 4 - Multi-Core 1343 2163
3DMark Fire Strike - Physics Score 0
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.244 0.925
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 37.104 51.608
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.26 0.35
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.087 1.146
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 2.68 4.459
GFXBench 4.0 - T-Rex (Frames) 1356
GFXBench 4.0 - T-Rex (Fps) 1356

Compare specifications (specs)

Intel Core i3-3240 Intel Core i7-875K

Essentials

Architecture codename Ivy Bridge Lynnfield
Launch date September 2012 May 2010
Launch price (MSRP) $75 $486
Place in performance rating 2687 2716
Price now $67.99 $485.01
Processor Number i3-3240 i7-875K
Series Legacy Intel® Core™ Processors Legacy Intel® Core™ Processors
Status Launched Discontinued
Value for money (0-100) 18.67 3.30
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 3.40 GHz 2.93 GHz
Bus Speed 5 GT/s DMI 2.5 GT/s DMI
Die size 94 mm 296 mm2
L1 cache 64 KB (per core) 64 KB (per core)
L2 cache 256 KB (per core) 256 KB (per core)
L3 cache 3072 KB (shared) 8192 KB (shared)
Manufacturing process technology 22 nm 45 nm
Maximum case temperature (TCase) 65 °C
Maximum core temperature 65.3°C 72.7°C
Maximum frequency 3.4 GHz 3.60 GHz
Number of cores 2 4
Number of threads 4 8
Transistor count 774 million
Unlocked
VID voltage range 0.6500V-1.4000V

Memory

Max memory channels 2 2
Maximum memory bandwidth 25.6 GB/s 21 GB/s
Maximum memory size 32 GB 16 GB
Supported memory types DDR3 1333/1600 DDR3 1066/1333

Graphics

Device ID 0x152
Graphics base frequency 650 MHz
Graphics max dynamic frequency 1.05 GHz
Graphics max frequency 1.05 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 2500

Graphics interfaces

Number of displays supported 3
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 FCLGA1155 LGA1156
Thermal Design Power (TDP) 55 Watt 95 Watt
Thermal Solution 2011C

Peripherals

PCI Express revision 2.0 2.0
PCIe configurations up to 1x16, 2x8, 1x8 & 2x4 1x16, 2x8
Max number of PCIe lanes 16

Security & Reliability

Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Secure Key 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® SSE4.2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Demand Based Switching
Physical Address Extensions (PAE) 36-bit

Virtualization

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