A4-4020 vs Xeon E5335

Place in the ranking	2477	2604
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Power efficiency	1.16	1.16
Architecture codename	Clovertown (2006−2007)	Richland (2013−2014)
Release date	14 November 2006 (18 years ago)	January 2014 (10 years ago)

Detailed specifications

Xeon E5335 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	2 GHz	3.2 GHz
Boost clock speed	2 GHz	3.4 GHz
L1 cache	64 KB (per core)	96K
L2 cache	4 MB (per die)	1 MB (shared)
L3 cache	8 MB L2 Cache	no data
Chip lithography	65 nm	32 nm
Die size	2x 143 mm²	246 mm²
Maximum case temperature (TCase)	66 °C	70 °C
Number of transistors	582 million	1,303 million
64 bit support	+	+
VID voltage range	1V-1.5V	no data

Compatibility

Information on Xeon E5335 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	2	1
Socket	LGA771,PLGA771	FM2
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5335 and A4-4020. You'll probably need this information if you require some particular technology.

AES-NI	-	+
FMA	-	+
AVX	-	+
PowerNow	-	+
Enhanced SpeedStep (EIST)	+	no data
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

Xeon E5335 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 E5335 and A4-4020 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5335 and A4-4020. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2, DDR3 Depends on motherboard

DDR3-1333

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

AMD Radeon HD 7480D

Peripherals

Specifications and connection of peripherals supported by Xeon E5335 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 E5335 0.98
+22.5%

A4-4020 0.80

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.

Xeon E5335 1549
+22.2%

A4-4020 1268