Intel Core i7-640M vs Intel Core 2 Duo T6500

Comparative analysis of Intel Core i7-640M and Intel Core 2 Duo T6500 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).

Intel Core i7-640M

Intel Core 2 Duo T6500

Differences

Reasons to consider the Intel Core i7-640M

CPU is newer: launch date 1 year(s) 8 month(s) later
2 more threads: 4 vs 2
Around 65% higher clock speed: 3.46 GHz vs 2.1 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
Around 65% better performance in PassMark - Single thread mark: 1376 vs 836
2.8x better performance in PassMark - CPU mark: 2073 vs 747
2x better performance in Geekbench 4 - Single Core: 499 vs 249
2.3x better performance in Geekbench 4 - Multi-Core: 1036 vs 441

Specifications (specs)
Launch date	20 September 2010 vs 1 January 2009
Number of threads	4 vs 2
Maximum frequency	3.46 GHz vs 2.1 GHz
Manufacturing process technology	32 nm vs 45 nm
Benchmarks
PassMark - Single thread mark	1376 vs 836
PassMark - CPU mark	2073 vs 747
Geekbench 4 - Single Core	499 vs 249
Geekbench 4 - Multi-Core	1036 vs 441

Reasons to consider the Intel Core 2 Duo T6500

4x more L2 cache, more data can be stored in the L2 cache for quick access later

L2 cache	2048 KB vs 512 KB

Compare benchmarks

CPU 1: Intel Core i7-640M
CPU 2: Intel Core 2 Duo T6500

PassMark - Single thread mark

CPU 1

CPU 2

1376

836

PassMark - CPU mark

CPU 1

CPU 2

2073

747

Geekbench 4 - Single Core

CPU 1

CPU 2

499

249

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1036

441

Name	Intel Core i7-640M	Intel Core 2 Duo T6500
PassMark - Single thread mark	1376	836
PassMark - CPU mark	2073	747
Geekbench 4 - Single Core	499	249
Geekbench 4 - Multi-Core	1036	441
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	0.541
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	29.806
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.151
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.798
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.292

Compare specifications (specs)

	Intel Core i7-640M	Intel Core 2 Duo T6500
Essentials
Architecture codename	Arrandale	Penryn
Launch date	20 September 2010	1 January 2009
Launch price (MSRP)	$346
Place in performance rating	2911	2899
Price now	$199.95	$14.99
Processor Number	i7-640M	T6500
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	4.18	25.27
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	2.80 GHz	2.10 GHz
Bus Speed	2.5 GT/s DMI	800 MHz FSB
Die size	81 mm2	107 mm2
Front-side bus (FSB)	2500 MHz	800 MHz
L1 cache	64 KB (per core)
L2 cache	512 KB	2048 KB
L3 cache	4096 KB
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	105°C	105°C
Maximum frequency	3.46 GHz	2.1 GHz
Number of cores	2	2
Number of threads	4	2
Transistor count	382 million	410 million
Memory
Max memory channels	2
Maximum memory bandwidth	17.1 GB/s
Maximum memory size	8 GB
Supported memory types	DDR3 800/1066
Graphics
Graphics base frequency	500 MHz
Graphics max dynamic frequency	766 MHz
Graphics max frequency	766 MHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Processor graphics	Intel HD Graphics
Graphics interfaces
Number of displays supported	2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Package Size	rPGA 37.5mmx 37.5mm, BGA 34mmx28mm
Sockets supported	BGA1288, PGA988	PGA478
Thermal Design Power (TDP)	35 Watt	35 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	2.0
PCIe configurations	1x16
Security & Reliability
Execute Disable Bit (EDB)
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 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	36-bit
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)