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).

 

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: 1497 vs 576
  • Around 3% better performance in PassMark - CPU mark: 2467 vs 2397
Benchmarks
PassMark - Single thread mark 1497 vs 576
PassMark - CPU mark 2467 vs 2397

Compare benchmarks

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

PassMark - Single thread mark
CPU 1
CPU 2
576
1497
PassMark - CPU mark
CPU 1
CPU 2
2397
2467
Name Intel Atom C2758 Intel Core i7-2640M
PassMark - Single thread mark 576 1497
PassMark - CPU mark 2397 2467
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 2777
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

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