Intel Core i7-940XM vs Intel Core 2 Duo T5670

Comparative analysis of Intel Core i7-940XM and Intel Core 2 Duo T5670 processors for all known characteristics in the following categories: Essentials, Performance, Memory, 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.

 

Differences

Reasons to consider the Intel Core i7-940XM

  • CPU is newer: launch date 2 year(s) 3 month(s) later
  • 2 more cores, run more applications at once: 4 vs 2
  • 6 more threads: 8 vs 2
  • Around 85% higher clock speed: 3.33 GHz vs 1.8 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
  • Around 72% better performance in PassMark - Single thread mark: 1139 vs 664
  • 3.8x better performance in PassMark - CPU mark: 2209 vs 587
Specifications (specs)
Launch date 1 June 2010 vs 1 March 2008
Number of cores 4 vs 2
Number of threads 8 vs 2
Maximum frequency 3.33 GHz vs 1.8 GHz
Manufacturing process technology 45 nm vs 65 nm
Benchmarks
PassMark - Single thread mark 1139 vs 664
PassMark - CPU mark 2209 vs 587

Reasons to consider the Intel Core 2 Duo T5670

  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 57% lower typical power consumption: 35 Watt vs 55 Watt
  • 2.1x better performance in Geekbench 4 - Single Core: 1097 vs 516
Specifications (specs)
L2 cache 2048 KB vs 1024 KB
Thermal Design Power (TDP) 35 Watt vs 55 Watt
Benchmarks
Geekbench 4 - Single Core 1097 vs 516
Geekbench 4 - Multi-Core 1713 vs 1709

Compare benchmarks

CPU 1: Intel Core i7-940XM
CPU 2: Intel Core 2 Duo T5670

PassMark - Single thread mark
CPU 1
CPU 2
1139
664
PassMark - CPU mark
CPU 1
CPU 2
2209
587
Geekbench 4 - Single Core
CPU 1
CPU 2
516
1097
Geekbench 4 - Multi-Core
CPU 1
CPU 2
1709
1713
Name Intel Core i7-940XM Intel Core 2 Duo T5670
PassMark - Single thread mark 1139 664
PassMark - CPU mark 2209 587
Geekbench 4 - Single Core 516 1097
Geekbench 4 - Multi-Core 1709 1713

Compare specifications (specs)

Intel Core i7-940XM Intel Core 2 Duo T5670

Essentials

Architecture codename Clarksfield Merom
Launch date 1 June 2010 1 March 2008
Launch price (MSRP) $1,096
Place in performance rating 2391 2394
Processor Number i7-940XM T5670
Series Legacy Intel® Core™ Processors Legacy Intel® Core™ Processors
Status Discontinued Discontinued
Vertical segment Mobile Mobile

Performance

64 bit support
Base frequency 2.13 GHz 1.80 GHz
Bus Speed 2.5 GT/s DMI 800 MHz FSB
Die size 296 mm2 143 mm2
Front-side bus (FSB) 2500 MHz 800 MHz
L1 cache 256 KB
L2 cache 1024 KB 2048 KB
L3 cache 8196 KB
Manufacturing process technology 45 nm 65 nm
Maximum core temperature 100°C 100°C
Maximum frequency 3.33 GHz 1.8 GHz
Number of cores 4 2
Number of threads 8 2
Transistor count 774 million 291 million
VID voltage range 1.0375V-1.30V

Memory

Max memory channels 2
Maximum memory bandwidth 21 GB/s
Maximum memory size 8 GB
Supported memory types DDR3 1066/1333

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1
Package Size 37.5mm x 37.5mm 35mm x 35mm
Sockets supported PGA988
Thermal Design Power (TDP) 55 Watt 35 Watt

Peripherals

Max number of PCIe lanes 16
PCI Express revision 2
PCIe configurations 1x16, 2x8

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
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE) 36-bit
Thermal Monitoring
FSB parity

Virtualization

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