Xeon W-10855M vs E5503

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Aggregate performance score

Xeon E5503
2010
2 cores / 2 threads, 80 Watt
0.53
Xeon W-10855M
2020
6 cores / 12 threads, 45 Watt
8.26
+1458%

Xeon W-10855M outperforms Xeon E5503 by a whopping 1458% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5503 and Xeon W-10855M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2869934
Place by popularitynot in top-100not in top-100
Market segmentServerMobile workstation
Seriesno dataIntel Comet Lake
Power efficiency0.6016.74
Architecture codenameGainestown (2009−2010)Comet Lake-H (2020)
Release date16 March 2010 (14 years ago)13 May 2020 (4 years ago)
Launch price (MSRP)$287no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E5503 and Xeon W-10855M 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 cores2 (Dual-core)6 (Hexa-Core)
Threads212
Base clock speed2 GHz2.8 GHz
Boost clock speed2 GHz4.9 GHz
Bus rateno data8 GT/s
L1 cache64 KB (per core)384 KB
L2 cache256 KB (per core)1.5 MB
L3 cache4 MB (shared)12 MB
Chip lithography45 nm14 nm
Die size263 mm2no data
Maximum core temperature76 °C100 °C
Number of transistors731 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Xeon E5503 and Xeon W-10855M 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 configuration21
SocketFCLGA1366FCBGA1440
Power consumption (TDP)80 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5503 and Xeon W-10855M. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-no data
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring-+
Flex Memory Accessno data+
SIPP-+
Demand Based Switching+no data
PAE40 Bitno data
Turbo Boost Max 3.0no data+

Security technologies

Xeon E5503 and Xeon W-10855M technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5503 and Xeon W-10855M are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5503 and Xeon W-10855M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory size144 GB128 GB
Max memory channels32
Maximum memory bandwidth19.2 GB/s45.8 GB/s
ECC memory support++

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® UHD Graphics for 10th Gen Intel® Processors
Quick Sync Video-+
Graphics max frequencyno data1.2 GHz

Graphics interfaces

Available interfaces and connections of Xeon E5503 and Xeon W-10855M integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Xeon E5503 and Xeon W-10855M integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@30Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Xeon E5503 and Xeon W-10855M integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Xeon E5503 and Xeon W-10855M.

PCIe version2.03.0
PCI Express lanesno data16

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 E5503 0.53
Xeon W-10855M 8.26
+1458%

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 E5503 804
Xeon W-10855M 12641
+1472%

Gaming performance

Pros & cons summary


Performance score 0.53 8.26
Recency 16 March 2010 13 May 2020
Physical cores 2 6
Threads 2 12
Chip lithography 45 nm 14 nm
Power consumption (TDP) 80 Watt 45 Watt

Xeon W-10855M has a 1458.5% higher aggregate performance score, an age advantage of 10 years, 200% more physical cores and 500% more threads, a 221.4% more advanced lithography process, and 77.8% lower power consumption.

The Xeon W-10855M is our recommended choice as it beats the Xeon E5503 in performance tests.

Be aware that Xeon E5503 is a server/workstation processor while Xeon W-10855M is a mobile workstation one.


Should you still have questions on choice between Xeon E5503 and Xeon W-10855M, ask them in Comments section, and we shall answer.

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Intel Xeon E5503
Xeon E5503
Intel Xeon W-10855M
Xeon W-10855M

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about Xeon E5503 or Xeon W-10855M, agree or disagree with our judgements, or report an error or mismatch.