Atom x5-Z8330 vs Core 2 Duo E8400

Place in the ranking	2671	2869
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	5x Intel Atom
Power efficiency	1.06	no data
Architecture codename	Wolfdale (2008−2010)	Airmont (2016)
Release date	1 January 2008 (16 years ago)	8 February 2016 (8 years ago)

Detailed specifications

Core 2 Duo E8400 and Atom x5-Z8330 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	3 GHz	1.44 GHz
Boost clock speed	3 GHz	1.92 GHz
Bus rate	1333 MHz	no data
L1 cache	64 KB (per core)	no data
L2 cache	6 MB (shared)	2 MB
L3 cache	0 KB	0 KB
Chip lithography	45 nm	14 nm
Die size	104 mm²	no data
Maximum core temperature	no data	90 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	410 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Duo E8400 and Atom x5-Z8330 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	LGA775	no data
Power consumption (TDP)	65 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E8400 and Atom x5-Z8330. You'll probably need this information if you require some particular technology.

AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Duo E8400 and Atom x5-Z8330 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Identity Protection	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E8400 and Atom x5-Z8330 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E8400 and Atom x5-Z8330. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR3L-RS 1600
Maximum memory size	no data	2 GB
Max memory channels	no data	1
Maximum memory bandwidth	no data	12.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	On certain motherboards (Chipset feature)	no data
Graphics max frequency	no data	500 MHz
Execution Units	no data	12

Graphics interfaces

Available interfaces and connections of Core 2 Duo E8400 and Atom x5-Z8330 integrated GPUs.

Number of displays supported

no data

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E8400 and Atom x5-Z8330.

PCIe version	2.0	2.0
PCI Express lanes	no data	1
USB revision	no data	3.0

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.

Core 2 Duo E8400 0.73
+43.1%

Atom x5-Z8330 0.51

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.

Core 2 Duo E8400 1165
+44%

Atom x5-Z8330 809

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.

Core 2 Duo E8400 370
+103%

Atom x5-Z8330 182

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.

Core 2 Duo E8400 603
+5.8%

Atom x5-Z8330 570

Gaming performance

Pros & cons summary

Performance score	0.73	0.51
Recency	1 January 2008	8 February 2016
Physical cores	2	4
Threads	2	4
Chip lithography	45 nm	14 nm

Core 2 Duo E8400 has a 43.1% higher aggregate performance score.

Atom x5-Z8330, on the other hand, has an age advantage of 8 years, 100% more physical cores and 100% more threads, and a 221.4% more advanced lithography process.

The Core 2 Duo E8400 is our recommended choice as it beats the Atom x5-Z8330 in performance tests.

Note that Core 2 Duo E8400 is a desktop processor while Atom x5-Z8330 is a notebook one.

Should you still have questions on choice between Core 2 Duo E8400 and Atom x5-Z8330, ask them in Comments section, and we shall answer.