Xeon E5603 vs Pentium G4400

Place in the ranking	2082	2322
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.61	0.13
Market segment	Desktop processor	Server
Series	Intel Pentium	no data
Power efficiency	2.84	1.44
Architecture codename	Skylake (2015−2016)	Westmere-EP (2010−2011)
Release date	1 September 2015 (9 years ago)	14 February 2011 (13 years ago)
Launch price (MSRP)	$64	$286

Cost-effectiveness evaluation

Performance per price, higher is better.

Pentium G4400 has 369% better value for money than Xeon E5603.

Detailed specifications

Pentium G4400 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	3.3 GHz	1.6 GHz
Boost clock speed	3.3 GHz	1.6 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	33	no data
L1 cache	128 KB	64 KB (per core)
L2 cache	512 KB	256 KB (per core)
L3 cache	3 MB	4 MB (shared)
Chip lithography	14 nm	32 nm
Die size	98.57 mm²	239 mm²
Maximum case temperature (TCase)	65 °C	no data
Number of transistors	1750 Million	1,170 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium G4400 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 (Uniprocessor)	2
Socket	FCLGA1151	FCLGA1366,LGA1366
Power consumption (TDP)	54 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G4400 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	+	+
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	-
Demand Based Switching	no data	+
PAE	no data	40 Bit

Security technologies

Pentium G4400 and Xeon E5603 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G4400 and Xeon E5603 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G4400 and Xeon E5603. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR3
Maximum memory size	64 GB	288 GB
Max memory channels	2	3
Maximum memory bandwidth	34.134 GB/s	25.6 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 510	no data
Max video memory	64 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Pentium G4400 and Xeon E5603 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Pentium G4400 and Xeon E5603 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Pentium G4400 and Xeon E5603 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.4	no data

Peripherals

Specifications and connection of peripherals supported by Pentium G4400 and Xeon E5603.

PCIe version	3.0	2.0
PCI Express lanes	16	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.

Pentium G4400 1.65
+33.1%

Xeon E5603 1.24

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.

Pentium G4400 2577
+33.2%

Xeon E5603 1935

Gaming performance

Pros & cons summary

Performance score	1.65	1.24
Recency	1 September 2015	14 February 2011
Physical cores	2	4
Threads	2	4
Chip lithography	14 nm	32 nm
Power consumption (TDP)	54 Watt	80 Watt

Pentium G4400 has a 33.1% higher aggregate performance score, an age advantage of 4 years, a 128.6% more advanced lithography process, and 48.1% lower power consumption.

Xeon E5603, on the other hand, has 100% more physical cores and 100% more threads.

The Pentium G4400 is our recommended choice as it beats the Xeon E5603 in performance tests.

Note that Pentium G4400 is a desktop processor while Xeon E5603 is a server/workstation one.

Should you still have questions on choice between Pentium G4400 and Xeon E5603, ask them in Comments section, and we shall answer.