Intel Atom D2700 vs Intel Core i7-940

Comparative analysis of Intel Atom D2700 and Intel Core i7-940 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 Atom D2700

Intel Core i7-940

Differences

Reasons to consider the Intel Atom D2700

CPU is newer: launch date 3 year(s) 1 month(s) later
Around 47% higher maximum core temperature: 100 °C vs 67.9°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
13x lower typical power consumption: 10 Watt vs 130 Watt
Around 35% better performance in Geekbench 4 - Single Core: 691 vs 512

Specifications (specs)
Launch date	28 December 2011 vs November 2008
Maximum core temperature	100 °C vs 67.9°C
Manufacturing process technology	32 nm vs 45 nm
Thermal Design Power (TDP)	10 Watt vs 130 Watt
Benchmarks
Geekbench 4 - Single Core	691 vs 512

Reasons to consider the Intel Core i7-940

2 more cores, run more applications at once: 4 vs 2
4 more threads: 8 vs 4
Around 50% higher clock speed: 3.20 GHz vs 2.13 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
6x more maximum memory size: 24 GB vs 4 GB
3.5x better performance in PassMark - Single thread mark: 1310 vs 378
6.3x better performance in PassMark - CPU mark: 2947 vs 467
Around 46% better performance in Geekbench 4 - Multi-Core: 1971 vs 1354

Specifications (specs)
Number of cores	4 vs 2
Number of threads	8 vs 4
Maximum frequency	3.20 GHz vs 2.13 GHz
L1 cache	64 KB (per core) vs 64 KB (per core)
Maximum memory size	24 GB vs 4 GB
Benchmarks
PassMark - Single thread mark	1310 vs 378
PassMark - CPU mark	2947 vs 467
Geekbench 4 - Multi-Core	1971 vs 1354

Compare benchmarks

CPU 1: Intel Atom D2700
CPU 2: Intel Core i7-940

PassMark - Single thread mark

CPU 1

CPU 2

378

1310

PassMark - CPU mark

CPU 1

CPU 2

467

2947

Geekbench 4 - Single Core

CPU 1

CPU 2

691

512

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1354

1971

Name	Intel Atom D2700	Intel Core i7-940
PassMark - Single thread mark	378	1310
PassMark - CPU mark	467	2947
Geekbench 4 - Single Core	691	512
Geekbench 4 - Multi-Core	1354	1971
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.508
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		32.258
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.191
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.84
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.347

Compare specifications (specs)

	Intel Atom D2700	Intel Core i7-940
Essentials
Architecture codename	Cedarview	Bloomfield
Launch date	28 December 2011	November 2008
Launch price (MSRP)	$52	$299
Place in performance rating	2845	2854
Processor Number	D2700	i7-940
Series	Intel® Atom™ Processor D Series	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Price now		$70.70
Value for money (0-100)		22.33
Performance
64 bit support
Base frequency	2.13 GHz	2.93 GHz
Bus Speed	2.5 GT/s DMI	4.8 GT/s QPI
Die size	66 mm	263 mm2
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	1024 KB	256 KB (per core)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	100 °C	67.9°C
Maximum frequency	2.13 GHz	3.20 GHz
Number of cores	2	4
Number of threads	4	8
Transistor count	176 million	731 million
VID voltage range	0.91V -1.21V	0.800V-1.375V
Front-side bus (FSB)		1333 MHz
L3 cache		8192 KB (shared)
Number of QPI Links		1
Memory
Max memory channels	1	3
Maximum memory bandwidth	6.4 GB/s	25.6 GB/s
Maximum memory size	4 GB	24 GB
Supported memory types	DDR3 800/1066	DDR3 800/1066
Graphics
Graphics base frequency	640 MHz
Processor graphics	Integrated
Graphics interfaces
Number of displays supported	2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	22mm X 22 mm	42.5mm x 45.0mm
Sockets supported	FCBGA559	FCLGA1366
Thermal Design Power (TDP)	10 Watt	130 Watt
Peripherals
Max number of PCIe lanes	4
Number of USB ports	8
Total number of SATA ports	2
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
HD Audio
Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® SSE4.2
Intel 64
Intel® Active Management technology (AMT)
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® ME Firmware Version	No
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	36-bit	36-bit
Idle States
Intel® AES New Instructions
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)