Xeon E5603 vs Pentium G2020

Primary details

Comparing Pentium G2020 and Xeon E5603 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2386	2290
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.04	0.16
Market segment	Desktop processor	Server
Architecture codename	Ivy Bridge (2012−2013)	Westmere-EP (2010−2011)
Release date	21 January 2013 (11 years ago)	14 February 2011 (13 years ago)
Launch price (MSRP)	$60	$286

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5603 has 300% better value for money than Pentium G2020.

Detailed specifications

Pentium G2020 and Xeon E5603 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	2.9 GHz	1.6 GHz
Boost clock speed	2.9 GHz	1.6 GHz
Bus rate	5 GT/s	no data
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	3072 KB (shared)	4 MB (shared)
Chip lithography	22 nm	32 nm
Die size	94 mm2	239 mm2
Maximum case temperature (TCase)	65 °C	no data
Number of transistors	no data	1,170 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium G2020 and Xeon E5603 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	2
Socket	FCLGA1155	FCLGA1366,LGA1366
Power consumption (TDP)	55 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G2020 and Xeon E5603. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.2
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	-	no data
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	-
Demand Based Switching	no data	+
PAE	no data	40 Bit
Status	Discontinued	Discontinued

Security technologies

Pentium G2020 and Xeon E5603 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	-	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G2020 and Xeon E5603 are enumerated here.

VT-d	-	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G2020 and Xeon E5603. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	32 GB	288 GB
Max memory channels	2	3
Maximum memory bandwidth	21 GB/s	25.6 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 3rd Generation Intel® Processors	no data
Graphics max frequency	1.05 GHz	no data

Graphics interfaces

Available interfaces and connections of Pentium G2020 and Xeon E5603 integrated GPUs.

Number of displays supported

3

no data

Peripherals

Specifications and connection of peripherals supported by Pentium G2020 and Xeon E5603.

PCIe version

2.0

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.

Pros & cons summary

---

Performance score	1.09	1.25
Recency	21 January 2013	14 February 2011
Physical cores	2	4
Threads	2	4
Chip lithography	22 nm	32 nm
Power consumption (TDP)	55 Watt	80 Watt

---

Should you still have questions on choice between Pentium G2020 and Xeon E5603, 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.

---