Atom x5-E8000 vs Pentium 3805U

Place in the ranking	2661	2789
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	5x Intel Atom
Power efficiency	4.67	11.55
Architecture codename	Broadwell-U (2015)	Cherry Trail (2015−2016)
Release date	1 March 2015 (9 years ago)	8 February 2016 (8 years ago)
Launch price (MSRP)	$161	$39

Detailed specifications

Pentium 3805U and Atom x5-E8000 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	2 (Dual-core)	4 (Quad-Core)
Threads	2	4
Base clock speed	1.9 GHz	no data
Boost clock speed	1.9 GHz	1.04 GHz
Bus rate	5 GT/s	no data
Multiplier	no data	10
L1 cache	64K (per core)	no data
L2 cache	256K (per core)	2 MB
L3 cache	2 MB (shared)	0 KB
Chip lithography	14 nm	14 nm
Die size	82 mm²	no data
Maximum core temperature	105 °C	90 °C
Maximum case temperature (TCase)	105 °C	no data
Number of transistors	1300 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium 3805U and Atom x5-E8000 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 (Uniprocessor)
Socket	FCBGA1168	no data
Power consumption (TDP)	15 Watt	5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3805U and Atom x5-E8000. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Smart Response	-	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Pentium 3805U and Atom x5-E8000 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	-
OS Guard	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3805U and Atom x5-E8000 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 3805U and Atom x5-E8000. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	8 GB
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 5th Generation Intel® Processors	Intel HD Graphics
Quick Sync Video	+	-
Clear Video	+	no data
Graphics max frequency	800 MHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Pentium 3805U and Atom x5-E8000 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by Pentium 3805U and Atom x5-E8000 integrated GPUs, sometimes API versions are included.

DirectX

11.2/12

no data

Peripherals

Specifications and connection of peripherals supported by Pentium 3805U and Atom x5-E8000.

PCIe version	2.0	2.0
PCI Express lanes	12	4

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.

Pentium 3805U 0.74
+21.3%

Atom x5-E8000 0.61

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.

Pentium 3805U 1178
+22.5%

Atom x5-E8000 962

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Pentium 3805U 312
+108%

Atom x5-E8000 150

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Pentium 3805U 592
+43.3%

Atom x5-E8000 413

Gaming performance

Pros & cons summary

Performance score	0.74	0.61
Recency	1 March 2015	8 February 2016
Physical cores	2	4
Threads	2	4
Power consumption (TDP)	15 Watt	5 Watt

Pentium 3805U has a 21.3% higher aggregate performance score.

Atom x5-E8000, on the other hand, has an age advantage of 11 months, 100% more physical cores and 100% more threads, and 200% lower power consumption.

The Pentium 3805U is our recommended choice as it beats the Atom x5-E8000 in performance tests.

Should you still have questions on choice between Pentium 3805U and Atom x5-E8000, ask them in Comments section, and we shall answer.