Celeron G5905 vs Xeon E5440

Place in the ranking	2144	2022
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Power efficiency	1.76	2.86
Release date	1 January 2008 (16 years ago)	1 July 2020 (4 years ago)

Detailed specifications

Xeon E5440 and Celeron G5905 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.

Threads	no data	2
Base clock speed	2.83 GHz	3.5 GHz
Bus rate	no data	8 GT/s
L3 cache	12 MB L2 Cache	4 MB Intel® Smart Cache
Chip lithography	45 nm	14 nm
Maximum core temperature	67 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	0.85V-1.35V	no data

Compatibility

Information on Xeon E5440 and Celeron G5905 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	FCLGA1200
Power consumption (TDP)	80 Watt	58 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5440 and Celeron G5905. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
Demand Based Switching	+	no data
Turbo Boost Max 3.0	no data	-
FSB parity	+	no data

Security technologies

Xeon E5440 and Celeron G5905 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5440 and Celeron G5905 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5440 and Celeron G5905. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR4-2666
Maximum memory size	no data	128 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel UHD Graphics 610
Max video memory	no data	64 GB
Quick Sync Video	-	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.05 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Xeon E5440 and Celeron G5905 integrated GPUs.

Number of displays supported

no data

Graphics image quality

Maximum display resolutions supported by Xeon E5440 and Celeron G5905 integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2160@30Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	4096x2304@60Hz

Graphics API support

APIs supported by Xeon E5440 and Celeron G5905 integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Xeon E5440 and Celeron G5905.

PCIe version	no data	3.0
PCI Express lanes	no data	16

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 E5440 1.49

Celeron G5905 1.75
+17.4%

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 E5440 2374

Celeron G5905 2786
+17.4%

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.

Xeon E5440 367

Celeron G5905 739
+101%

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.

Xeon E5440 1029

Celeron G5905 1262
+22.6%

Gaming performance

Pros & cons summary

Performance score	1.49	1.75
Recency	1 January 2008	1 July 2020
Chip lithography	45 nm	14 nm
Power consumption (TDP)	80 Watt	58 Watt

Celeron G5905 has a 17.4% higher aggregate performance score, an age advantage of 12 years, a 221.4% more advanced lithography process, and 37.9% lower power consumption.

The Celeron G5905 is our recommended choice as it beats the Xeon E5440 in performance tests.

Be aware that Xeon E5440 is a server/workstation processor while Celeron G5905 is a desktop one.

Should you still have questions on choice between Xeon E5440 and Celeron G5905, ask them in Comments section, and we shall answer.