Intel Pentium E5700 vs Intel Core i7-975

Comparative analysis of Intel Pentium E5700 and Intel Core i7-975 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 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).

 

Differences

Reasons to consider the Intel Pentium E5700

  • CPU is newer: launch date 1 year(s) 2 month(s) later
  • Around 9% higher maximum core temperature: 74.1°C vs 67.9°C
  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 2x lower typical power consumption: 65 Watt vs 130 Watt
Launch date August 2010 vs June 2009
Maximum core temperature 74.1°C vs 67.9°C
L2 cache 2048 KB (shared) vs 256 KB (per core)
Thermal Design Power (TDP) 65 Watt vs 130 Watt

Reasons to consider the Intel Core i7-975

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 2 more cores, run more applications at once: 4 vs 2
  • Around 20% higher clock speed: 3.60 GHz vs 3 GHz
  • 2x more L1 cache, more data can be stored in the L1 cache for quick access later
  • Around 25% better performance in PassMark - Single thread mark: 1500 vs 1196
  • 3.2x better performance in PassMark - CPU mark: 3494 vs 1081
  • Around 77% better performance in Geekbench 4 - Single Core: 606 vs 343
  • 4.1x better performance in Geekbench 4 - Multi-Core: 2380 vs 583
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 4 vs 2
Maximum frequency 3.60 GHz vs 3 GHz
L1 cache 64 KB (per core) vs 64 KB (per core)
Benchmarks
PassMark - Single thread mark 1500 vs 1196
PassMark - CPU mark 3494 vs 1081
Geekbench 4 - Single Core 606 vs 343
Geekbench 4 - Multi-Core 2380 vs 583

Compare benchmarks

CPU 1: Intel Pentium E5700
CPU 2: Intel Core i7-975

PassMark - Single thread mark
CPU 1
CPU 2
1196
1500
PassMark - CPU mark
CPU 1
CPU 2
1081
3494
Geekbench 4 - Single Core
CPU 1
CPU 2
343
606
Geekbench 4 - Multi-Core
CPU 1
CPU 2
583
2380
Name Intel Pentium E5700 Intel Core i7-975
PassMark - Single thread mark 1196 1500
PassMark - CPU mark 1081 3494
Geekbench 4 - Single Core 343 606
Geekbench 4 - Multi-Core 583 2380
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 1.084
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 63.217
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.376
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.858
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 5.196

Compare specifications (specs)

Intel Pentium E5700 Intel Core i7-975

Essentials

Architecture codename Wolfdale Bloomfield
Launch date August 2010 June 2009
Launch price (MSRP) $110 $476
Place in performance rating 2585 2589
Price now $14.99 $179.99
Processor Number E5700 i7-975
Series Legacy Intel® Pentium® Processor Legacy Intel® Core™ Processors
Status Discontinued Discontinued
Value for money (0-100) 34.17 10.04
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 3.00 GHz 3.33 GHz
Bus Speed 800 MHz FSB 6.4 GT/s QPI
Die size 82 mm2 263 mm2
L1 cache 64 KB (per core) 64 KB (per core)
L2 cache 2048 KB (shared) 256 KB (per core)
Manufacturing process technology 45 nm 45 nm
Maximum core temperature 74.1°C 67.9°C
Maximum frequency 3 GHz 3.60 GHz
Number of cores 2 4
Transistor count 228 million 731 million
VID voltage range 0.8500V-1.3625V 0.800V-1.375V
Front-side bus (FSB) 1333 MHz
L3 cache 8192 KB (shared)
Number of QPI Links 1
Number of threads 8
Unlocked

Memory

Supported memory types DDR1, DDR2, DDR3 DDR3 800/1066
Max memory channels 3
Maximum memory bandwidth 25.6 GB/s
Maximum memory size 24 GB

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 1
Package Size 37.5mm x 37.5mm 42.5mm x 45.0mm
Sockets supported LGA775 FCLGA1366
Thermal Design Power (TDP) 65 Watt 130 Watt

Security & Reliability

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

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Instruction set extensions Intel® SSE4.2
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)