Intel Core i7-2677M vs Intel Core 2 Duo T6400

Comparative analysis of Intel Core i7-2677M and Intel Core 2 Duo T6400 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, 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 i7-2677M

  • CPU is newer: launch date 2 year(s) 5 month(s) later
  • 2 more threads: 4 vs 2
  • Around 45% higher clock speed: 2.90 GHz vs 2 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
  • 2.1x lower typical power consumption: 17 Watt vs 35 Watt
  • Around 58% better performance in PassMark - Single thread mark: 1260 vs 797
  • 2.6x better performance in PassMark - CPU mark: 1912 vs 729
  • Around 95% better performance in Geekbench 4 - Single Core: 494 vs 253
  • 2.2x better performance in Geekbench 4 - Multi-Core: 1004 vs 462
Specifications (specs)
Launch date 27 June 2011 vs 1 January 2009
Number of threads 4 vs 2
Maximum frequency 2.90 GHz vs 2 GHz
Manufacturing process technology 32 nm vs 45 nm
Thermal Design Power (TDP) 17 Watt vs 35 Watt
Benchmarks
PassMark - Single thread mark 1260 vs 797
PassMark - CPU mark 1912 vs 729
Geekbench 4 - Single Core 494 vs 253
Geekbench 4 - Multi-Core 1004 vs 462

Reasons to consider the Intel Core 2 Duo T6400

  • Around 5% higher maximum core temperature: 105°C vs 100 C
  • 4x more L2 cache, more data can be stored in the L2 cache for quick access later
Maximum core temperature 105°C vs 100 C
L2 cache 2048 KB vs 512 KB

Compare benchmarks

CPU 1: Intel Core i7-2677M
CPU 2: Intel Core 2 Duo T6400

PassMark - Single thread mark
CPU 1
CPU 2
1260
797
PassMark - CPU mark
CPU 1
CPU 2
1912
729
Geekbench 4 - Single Core
CPU 1
CPU 2
494
253
Geekbench 4 - Multi-Core
CPU 1
CPU 2
1004
462
Name Intel Core i7-2677M Intel Core 2 Duo T6400
PassMark - Single thread mark 1260 797
PassMark - CPU mark 1912 729
Geekbench 4 - Single Core 494 253
Geekbench 4 - Multi-Core 1004 462
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 1.645
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 27.427
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.189
CompuBench 1.5 Desktop - Video Composition (Frames/s) 0.679
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 1.781

Compare specifications (specs)

Intel Core i7-2677M Intel Core 2 Duo T6400

Essentials

Architecture codename Sandy Bridge Penryn
Launch date 27 June 2011 1 January 2009
Launch price (MSRP) $317
Place in performance rating 2932 2925
Processor Number i7-2677M T6400
Series Legacy Intel® Core™ Processors Legacy Intel® Core™ Processors
Status Launched Discontinued
Vertical segment Mobile Mobile
Price now $14.99
Value for money (0-100) 24.07

Performance

64 bit support
Base frequency 1.80 GHz 2.00 GHz
Bus Speed 5 GT/s DMI 800 MHz FSB
Die size 149 mm 107 mm2
L1 cache 128 KB
L2 cache 512 KB 2048 KB
L3 cache 4096 KB
Manufacturing process technology 32 nm 45 nm
Maximum core temperature 100 C 105°C
Maximum frequency 2.90 GHz 2 GHz
Number of cores 2 2
Number of threads 4 2
Transistor count 624 Million 410 million
Front-side bus (FSB) 800 MHz
VID voltage range 1.000V-1.250V

Memory

Max memory channels 2
Maximum memory bandwidth 21.3 GB/s
Maximum memory size 8.01 GB
Supported memory types DDR3 1066/1333

Graphics

Device ID 0x116
Graphics base frequency 350 MHz
Graphics max dynamic frequency 1.20 GHz
Graphics max frequency 1.2 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

Graphics interfaces

CRT
DisplayPort
eDP
HDMI
Number of displays supported 2
SDVO
Wireless Display (WiDi) support

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1
Package Size 31.0mm x 24.0mm (BGA1023) 35mm x 35mm
Sockets supported FCBGA1023 PGA478
Thermal Design Power (TDP) 17 Watt 35 Watt

Peripherals

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

Security & Reliability

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

Advanced Technologies

4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi 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)