Intel Core i7-2649M vs Intel Core i7-2657M

Comparative analysis of Intel Core i7-2649M and Intel Core i7-2657M processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization.

Intel Core i7-2649M

Intel Core i7-2657M

Differences

Reasons to consider the Intel Core i7-2649M

Around 19% higher clock speed: 3.20 GHz vs 2.70 GHz

Maximum frequency	3.20 GHz vs 2.70 GHz

Reasons to consider the Intel Core i7-2657M

Around 47% lower typical power consumption: 17 Watt vs 25 Watt

Thermal Design Power (TDP)	17 Watt vs 25 Watt

Compare specifications (specs)

	Intel Core i7-2649M	Intel Core i7-2657M
Essentials
Architecture codename	Sandy Bridge	Sandy Bridge
Launch date	3 January 2011	3 January 2011
Place in performance rating	not rated	not rated
Processor Number	i7-2649M	i7-2657M
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$317
Performance
64 bit support
Base frequency	2.30 GHz	1.60 GHz
Bus Speed	5 GT/s DMI	5 GT/s DMI
Die size	149 mm	149 mm
L1 cache	128 KB	128 KB
L2 cache	512 KB	512 KB
L3 cache	4096 KB	4096 KB
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	100 C	100 C
Maximum frequency	3.20 GHz	2.70 GHz
Number of cores	2	2
Number of threads	4	4
Transistor count	624 Million	624 Million
Memory
Max memory channels	2	2
Maximum memory bandwidth	21.3 GB/s	21.3 GB/s
Maximum memory size	8.01 GB	8.01 GB
Supported memory types	DDR3 1066/1333	DDR3 1066/1333
Graphics
Device ID	0x116	0x116
Graphics base frequency	500 MHz	350 MHz
Graphics max dynamic frequency	1.10 GHz	1.00 GHz
Graphics max frequency	1.1 GHz	1 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	Intel® HD Graphics 3000
Graphics interfaces
CRT
DisplayPort
eDP
HDMI
Number of displays supported	2	2
SDVO
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	31.0mm x 24.0mm (BGA1023)	31.0mm x 24.0mm (BGA1023)
Sockets supported	FCBGA1023	FCBGA1023
Thermal Design Power (TDP)	25 Watt	17 Watt
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	2.0	2.0
PCIe configurations	1x16, 2x8, 1x8+2x4	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® 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
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)