Intel Atom C2758 vs Intel Core i7-2640M

Comparative analysis of Intel Atom C2758 and Intel Core i7-2640M processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. 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 Atom C2758

Intel Core i7-2640M

Differences

Reasons to consider the Intel Atom C2758

6 more cores, run more applications at once: 8 vs 2
4 more threads: 8 vs 4
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
4x more maximum memory size: 64 GB vs 16 GB
Around 75% lower typical power consumption: 20 Watt vs 35 Watt

Number of cores	8 vs 2
Number of threads	8 vs 4
Manufacturing process technology	22 nm vs 32 nm
Maximum memory size	64 GB vs 16 GB
Thermal Design Power (TDP)	20 Watt vs 35 Watt

Reasons to consider the Intel Core i7-2640M

2.6x better performance in PassMark - Single thread mark: 1496 vs 576
Around 3% better performance in PassMark - CPU mark: 2465 vs 2397

Benchmarks
PassMark - Single thread mark	1496 vs 576
PassMark - CPU mark	2465 vs 2397

Compare benchmarks

CPU 1: Intel Atom C2758
CPU 2: Intel Core i7-2640M

PassMark - Single thread mark

CPU 1

CPU 2

576

1496

PassMark - CPU mark

CPU 1

CPU 2

2397

2465

Name	Intel Atom C2758	Intel Core i7-2640M
PassMark - Single thread mark	576	1496
PassMark - CPU mark	2397	2465
Geekbench 4 - Single Core		594
Geekbench 4 - Multi-Core		1292
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		2.073
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		34.77
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.233
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.801
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.127

Compare specifications (specs)

	Intel Atom C2758	Intel Core i7-2640M
Essentials
Architecture codename	Rangeley	Sandy Bridge
Launch date	Q3'13	4 September 2011
Place in performance rating	2784	2778
Processor Number	C2758	i7-2640M
Series	Intel® Atom™ Processor C Series	Legacy Intel® Core™ Processors
Status	Launched	Launched
Vertical segment	Embedded	Mobile
Launch price (MSRP)		$346
Price now		$185.97
Value for money (0-100)		6.23
Performance
64 bit support
Base frequency	2.40 GHz	2.80 GHz
Manufacturing process technology	22 nm	32 nm
Number of cores	8	2
Number of threads	8	4
Bus Speed		5 GT/s DMI
Die size		149 mm
L1 cache		128 KB
L2 cache		512 KB
L3 cache		4096 KB
Maximum core temperature		100 °C
Maximum frequency		3.50 GHz
Transistor count		624 Million
Memory
Max memory channels	2	2
Maximum memory size	64 GB	16 GB
Supported memory types	DDR3/DDR3L 1600	DDR3 1066/1333
Maximum memory bandwidth		21.3 GB/s
Compatibility
Low Halogen Options Available
Package Size	34 mm x 28 mm	37.5mm x 37.5mm (rPGA988B); 31mm x 24mm (BGA1023)
Sockets supported	FCBGA1283	FCBGA1023, PPGA988
Thermal Design Power (TDP)	20 Watt	35 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	16	16
Max number of SATA 6 Gb/s Ports	2
Number of USB ports	4
PCI Express revision	2	2.0
PCIe configurations	x1, x2, x4, x8, x16	1x16, 2x8, 1x8 2x4
Total number of SATA ports	6
UART
USB revision	2
Security & Reliability
Execute Disable Bit (EDB)
Anti-Theft technology
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Integrated Intel® QuickAssist Technology
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	36-bit
4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions		Intel® AVX
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® My WiFi technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology for Directed I/O (VT-d)
Graphics
Device ID		0x116
Graphics base frequency		650 MHz
Graphics max dynamic frequency		1.30 GHz
Graphics max frequency		1.3 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