Celeron N4000 vs Atom Z500

Place in the ranking	3295	2523
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Atom	Intel Celeron
Power efficiency	23.17	14.59
Architecture codename	Silverthorne (2008−2010)	Goldmont Plus (2017)
Release date	2 April 2008 (16 years ago)	11 December 2017 (7 years ago)
Launch price (MSRP)	$45	$107

Detailed specifications

Atom Z500 and Celeron N4000 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	1	2
Base clock speed	no data	1.1 GHz
Boost clock speed	0.8 GHz	2.6 GHz
Bus type	FSB	no data
Bus rate	400 MT/s	no data
Multiplier	8	11
L1 cache	56 KB	112 KB
L2 cache	512 KB	4 MB
L3 cache	0 KB	4 MB
Chip lithography	45 nm	14 nm
Die size	24.18 mm²	no data
Maximum core temperature	90 °C	105 deg C
Number of transistors	47 Million	no data
64 bit support	-	+
Windows 11 compatibility	-	+
VID voltage range	0.80 -1.1V	no data

Compatibility

Information on Atom Z500 and Celeron N4000 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 (Uniprocessor)
Socket	PBGA441	FCBGA1090
Power consumption (TDP)	0.65 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z500 and Celeron N4000. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® SSE4.2
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	-
Turbo Boost Technology	-	-
Hyper-Threading Technology	+	-
Idle States	+	+
Thermal Monitoring	+	+
Smart Response	no data	-
Demand Based Switching	+	no data
GPIO	no data	+
Turbo Boost Max 3.0	no data	-
FSB parity	-	no data

Security technologies

Atom Z500 and Celeron N4000 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	+
Secure Key	no data	+
MPX	-	+
Identity Protection	-	+
SGX	no data	Yes with Intel® ME
OS Guard	no data	+
Anti-Theft	no data	-

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z500 and Celeron N4000 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z500 and Celeron N4000. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR4
Maximum memory size	no data	8 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	-	Intel UHD Graphics 600
Max video memory	-	8 GB
Quick Sync Video	-	+
Graphics max frequency	-	650 MHz
Execution Units	-	12

Graphics interfaces

Available interfaces and connections of Atom Z500 and Celeron N4000 integrated GPUs.

Number of displays supported	-	3
eDP	-	+
DisplayPort	-	+
HDMI	-	+
MIPI-DSI	-	+

Graphics image quality

Maximum display resolutions supported by Atom Z500 and Celeron N4000 integrated GPUs, including resolutions over different interfaces.

4K resolution support

Graphics API support

APIs supported by Atom Z500 and Celeron N4000 integrated GPUs, sometimes API versions are included.

DirectX	-	12
OpenGL	-	4.4

Peripherals

Specifications and connection of peripherals supported by Atom Z500 and Celeron N4000.

PCIe version	no data	2.0
PCI Express lanes	no data	6
USB revision	no data	2.0/3.0
Total number of SATA ports	no data	2
Max number of SATA 6 Gb/s Ports	no data	2
Number of USB ports	no data	8
Integrated LAN	no data	-
UART	no data	+

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 Z500 0.16

Celeron N4000 0.93
+481%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Atom Z500 115

Celeron N4000 31.94
+260%

Gaming performance

Pros & cons summary

Performance score	0.16	0.93
Recency	2 April 2008	11 December 2017
Physical cores	1	2
Threads	1	2
Chip lithography	45 nm	14 nm

Celeron N4000 has a 481.3% higher aggregate performance score, an age advantage of 9 years, 100% more physical cores and 100% more threads, and a 221.4% more advanced lithography process.

The Celeron N4000 is our recommended choice as it beats the Atom Z500 in performance tests.

Should you still have questions on choice between Atom Z500 and Celeron N4000, ask them in Comments section, and we shall answer.