Ultra 5 238V vs Atom x5-E3940

Place in the ranking	2324	525
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	5x Intel Atom	no data
Power efficiency	11.64	78.16
Architecture codename	Apollo Lake (2014−2016)	Lunar Lake (2024)
Release date	30 August 2014 (10 years ago)	24 September 2024 (less than a year ago)

Detailed specifications

Atom x5-E3940 and Core Ultra 5 238V 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	4 (Quad-Core)	8 (Octa-Core)
Threads	4	8
Base clock speed	1.6 GHz	2.1 GHz
Boost clock speed	1.8 GHz	4.7 GHz
Bus rate	no data	37 MHz
L1 cache	56K (per core)	192 KB (per core)
L2 cache	2 MB (shared)	2.5 MB (per core)
L3 cache	0 KB	8 MB (shared)
Chip lithography	14 nm	3 nm
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	103 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Atom x5-E3940 and Core Ultra 5 238V 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 (Uniprocessor)	1
Socket	Intel BGA 1296	Intel BGA 2833
Power consumption (TDP)	10 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom x5-E3940 and Core Ultra 5 238V. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
TSX	-	+

Security technologies

Atom x5-E3940 and Core Ultra 5 238V technologies aimed at improving security, for example, by protecting against hacks.

TXT

Virtualization technologies

Virtual machine speed-up technologies supported by Atom x5-E3940 and Core Ultra 5 238V are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom x5-E3940 and Core Ultra 5 238V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1866	DDR5
Maximum memory size	8 GB	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel HD Graphics 500

Arc 130V

Peripherals

Specifications and connection of peripherals supported by Atom x5-E3940 and Core Ultra 5 238V.

PCIe version	2.0	5.0
PCI Express lanes	4	4

Gaming performance

Pros & cons summary

Performance score	1.23	14.04
Recency	30 August 2014	24 September 2024
Physical cores	4	8
Threads	4	8
Chip lithography	14 nm	3 nm
Power consumption (TDP)	10 Watt	17 Watt

Atom x5-E3940 has 70% lower power consumption.

Ultra 5 238V, on the other hand, has a 1041.5% higher aggregate performance score, an age advantage of 10 years, 100% more physical cores and 100% more threads, and a 366.7% more advanced lithography process.

The Core Ultra 5 238V is our recommended choice as it beats the Atom x5-E3940 in performance tests.

Should you still have questions on choice between Atom x5-E3940 and Core Ultra 5 238V, ask them in Comments section, and we shall answer.