A4-4020 vs Xeon E5450

Primary details

Comparing Xeon E5450 and A4-4020 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1983	2496
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.05	no data
Market segment	Server	Desktop processor
Architecture codename	no data	Richland (2013−2014)
Release date	1 October 2007 (16 years ago)	January 2014 (10 years ago)
Current price	$49	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5450 and A4-4020 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	no data	2 (Dual-core)
Threads	no data	2
Base clock speed	3 GHz	3.2 GHz
Boost clock speed	no data	3.4 GHz
L1 cache	no data	96K
L2 cache	no data	1 MB (shared)
L3 cache	12 MB L2 Cache	no data
Chip lithography	45 nm	32 nm
Die size	no data	246 mm2
Maximum core temperature	67 °C	no data
Maximum case temperature (TCase)	no data	70 °C
Number of transistors	no data	1,303 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No
VID voltage range	0.85V-1.35V	no data

Compatibility

Information on Xeon E5450 and A4-4020 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	no data	1
Socket	LGA771	FM2
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5450 and A4-4020. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5450 and A4-4020 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5450 and A4-4020 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5450 and A4-4020. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

no data

DDR3-1333

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon HD 7480D

Peripherals

Specifications and connection of peripherals supported by Xeon E5450 and A4-4020.

PCIe version

no data

2.0

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.

Xeon E5450 outperforms A4-4020 by 102% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	1.66	0.82
Chip lithography	45 nm	32 nm
Power consumption (TDP)	80 Watt	65 Watt

---

Should you still have questions on choice between Xeon E5450 and A4-4020, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---