Intel Core i7-920 vs Intel Core 2 Duo E4700

Comparative analysis of Intel Core i7-920 and Intel Core 2 Duo E4700 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, 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 i7-920

  • CPU is newer: launch date 8 month(s) later
  • 2 more cores, run more applications at once: 4 vs 2
  • Around 13% higher clock speed: 2.93 GHz vs 2.6 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
  • 4x more L1 cache, more data can be stored in the L1 cache for quick access later
  • Around 23% better performance in PassMark - Single thread mark: 1216 vs 990
  • 3.1x better performance in PassMark - CPU mark: 2838 vs 908
  • Around 51% better performance in Geekbench 4 - Single Core: 469 vs 311
  • 3.6x better performance in Geekbench 4 - Multi-Core: 1855 vs 512
Specifications (specs)
Launch date November 2008 vs March 2008
Number of cores 4 vs 2
Maximum frequency 2.93 GHz vs 2.6 GHz
Manufacturing process technology 45 nm vs 65 nm
L1 cache 64 KB (per core) vs 64 KB
Benchmarks
PassMark - Single thread mark 1216 vs 990
PassMark - CPU mark 2838 vs 908
Geekbench 4 - Single Core 469 vs 311
Geekbench 4 - Multi-Core 1855 vs 512

Reasons to consider the Intel Core 2 Duo E4700

  • Around 8% higher maximum core temperature: 73.3°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
Maximum core temperature 73.3°C vs 67.9°C
L2 cache 2048 KB vs 256 KB (per core)
Thermal Design Power (TDP) 65 Watt vs 130 Watt

Compare benchmarks

CPU 1: Intel Core i7-920
CPU 2: Intel Core 2 Duo E4700

PassMark - Single thread mark
CPU 1
CPU 2
1216
990
PassMark - CPU mark
CPU 1
CPU 2
2838
908
Geekbench 4 - Single Core
CPU 1
CPU 2
469
311
Geekbench 4 - Multi-Core
CPU 1
CPU 2
1855
512
Name Intel Core i7-920 Intel Core 2 Duo E4700
PassMark - Single thread mark 1216 990
PassMark - CPU mark 2838 908
Geekbench 4 - Single Core 469 311
Geekbench 4 - Multi-Core 1855 512
3DMark Fire Strike - Physics Score 2227
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 0.873
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 50.388
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.3
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.595
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 4

Compare specifications (specs)

Intel Core i7-920 Intel Core 2 Duo E4700

Essentials

Architecture codename Bloomfield Conroe
Launch date November 2008 March 2008
Launch price (MSRP) $340
Place in performance rating 2767 2756
Price now $174 $26.99
Processor Number i7-920 E4700
Series Legacy Intel® Core™ Processors Legacy Intel® Core™ Processors
Status Discontinued Discontinued
Value for money (0-100) 8.34 16.19
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 2.66 GHz 2.60 GHz
Bus Speed 4.8 GT/s QPI 800 MHz FSB
Die size 263 mm2 111 mm2
Front-side bus (FSB) 1333 MHz
L1 cache 64 KB (per core) 64 KB
L2 cache 256 KB (per core) 2048 KB
L3 cache 8192 KB (shared)
Manufacturing process technology 45 nm 65 nm
Maximum core temperature 67.9°C 73.3°C
Maximum frequency 2.93 GHz 2.6 GHz
Number of cores 4 2
Number of QPI Links 1
Number of threads 8
Transistor count 731 million 167 million
VID voltage range 0.800V-1.375V 0.8500V-1.5V

Memory

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

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 1
Package Size 42.5mm x 45.0mm 37.5mm x 37.5mm
Sockets supported FCLGA1366 PLGA775
Thermal Design Power (TDP) 130 Watt 65 Watt

Security & Reliability

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

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE) 36-bit
Thermal Monitoring
FSB parity

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)