Processor 300 vs Atom E660

Place in the ranking	3278	1319
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Power efficiency	5.36	9.28
Architecture codename	Tunnel Creek (2010)	Raptor Lake-S (2023−2024)
Release date	14 September 2010 (14 years ago)	8 January 2024 (less than a year ago)
Launch price (MSRP)	$54	$82

Detailed specifications

Atom E660 and Processor 300 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	1 (Single-Core)	2 (Dual-core)
Threads	2	4
Base clock speed	no data	3.9 GHz
Boost clock speed	1.3 GHz	3.9 GHz
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	512 KB (per core)	1.25 MB (per core)
L3 cache	0 KB	6 MB (shared)
Chip lithography	45 nm	Intel 7 nm
Die size	26 mm²	163 mm²
Maximum core temperature	no data	100 °C
Number of transistors	47 million	no data
64 bit support	-	+
Windows 11 compatibility	-	no data

Compatibility

Information on Atom E660 and Processor 300 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	Intel BGA 676	FCLGA1700
Power consumption (TDP)	3 Watt	46 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom E660 and Processor 300. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	no data	+
Thermal Monitoring	-	+
Deep Learning Boost	-	+

Security technologies

Atom E660 and Processor 300 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom E660 and Processor 300 are enumerated here.

VT-d	no data	+
VT-x	no data	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom E660 and Processor 300. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR5-4800, DDR4-3200
Maximum memory size	no data	192 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel GMA 600	Intel UHD Graphics 710
Quick Sync Video	-	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.45 GHz
Execution Units	no data	16

Graphics interfaces

Available interfaces and connections of Atom E660 and Processor 300 integrated GPUs.

Number of displays supported

no data

Graphics image quality

Maximum display resolutions supported by Atom E660 and Processor 300 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2160 @ 60Hz
Max resolution over eDP	no data	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Atom E660 and Processor 300 integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Atom E660 and Processor 300.

PCIe version	no data	5.0 and 4.0
PCI Express lanes	no data	16

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Atom E660 0.17

Processor 300 4.51
+2553%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Atom E660 271

Processor 300 7160
+2542%

Gaming performance

Pros & cons summary

Performance score	0.17	4.51
Recency	14 September 2010	8 January 2024
Physical cores	1	2
Threads	2	4
Power consumption (TDP)	3 Watt	46 Watt

Atom E660 has 1433.3% lower power consumption.

Processor 300, on the other hand, has a 2552.9% higher aggregate performance score, an age advantage of 13 years, and 100% more physical cores and 100% more threads.

The Processor 300 is our recommended choice as it beats the Atom E660 in performance tests.

Be aware that Atom E660 is a notebook processor while Processor 300 is a desktop one.

Should you still have questions on choice between Atom E660 and Processor 300, ask them in Comments section, and we shall answer.