Xeon W3550

Details and Benchmarks for Intel Xeon W3550

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Xeon W3550 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,600 Rank: 1191
Rank Name Score Visual
1187 Xeon X3460 4,603
+0.1%
1188 Core i7-950 4,602
+0%
1189 Core i7 860 4,602
+0%
1190 Core i5-5200U 4,601
+0%
1191 Xeon W3550 4,600
1192 Xeon X5670 4,600
+0%
1193 Core i3-3220 4,599
+-0%
1194 Pentium G2130 4,598
+-0%
1195 Core M3-7Y30 4,597
-0.1%
1196 Xeon D-1602 4,595
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Xeon W3550 based on multi-threaded benchmark results.

4,638 Rank: 1043
Rank Name Score Visual
1039 Xeon E3-1220 V2 4,642
+0.1%
1040 Core i7-880 4,642
+0.1%
1041 Core i3-6300T 4,641
+0.1%
1042 Core i3-6300 4,640
+0%
1043 Xeon W3550 4,638
1044 Xeon E5-2620 v2 4,638
+0%
1045 Pentium 4,637
+-0%
1046 Core i3-6100 4,636
+-0%
1047 Core i5-6500TE 4,634
-0.1%
1048 Core i3-4370 4,633
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Xeon W3550 based on single-threaded benchmark results.

4,575 Rank: 1231
Rank Name Score Visual
1227 Celeron G4930T 4,579
+0.1%
1228 Core M 5Y10c 4,577
+0%
1229 Xeon E5-2660 v2 4,576
+0%
1230 Xeon E3-1235 4,576
+0%
1231 Xeon W3550 4,575
1232 A10-6790K 4,574
+-0%
1233 Xeon W5590 4,574
+-0%
1234 Core i5-L16G7 4,573
+-0%
1235 Celeron 4305U 4,569
-0.1%
1236 Xeon W3580 4,567
-0.2%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Xeon W3550 based on integer math, floating point math, and prime number computation benchmarks.

4,607 Rank: 951
Rank Name Score Visual
947 Core i7-875K 4,608
+0%
948 Pentium Silver N6005 4,608
+0%
949 Xeon D-1518 4,607
+0%
950 Core i5-3330S 4,607
+0%
951 Xeon W3550 4,607
952 Xeon X5560 4,607
+0%
953 Core i5-2500K 4,606
+-0%
954 Core i7-950 4,606
+-0%
955 Core i7-2820QM 4,605
+-0%
956 Xeon E3-1220 4,605
+-0%

View full ranking →

Data Processing

Aggregated score for Xeon W3550 based on data encryption, data compression, and string sorting benchmarks.

4,587 Rank: 942
Rank Name Score Visual
938 Core i5-6500TE 4,587
+0%
939 Core i5-4440 4,587
+0%
940 Xeon X3470 4,587
+0%
941 Xeon X5570 4,587
+0%
942 Xeon W3550 4,587
943 Core i3-7350K 4,586
+-0%
944 Core i5-2550K 4,586
+-0%
945 Core i5-3450 4,586
+-0%
946 Core i5-6440HQ 4,585
+-0%
947 Xeon W3570 4,585
+-0%

View full ranking →

Physics & Compute

Aggregated score for Xeon W3550 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,580 Rank: 1021
Rank Name Score Visual
1017 Core i3-6100T 4,581
+0%
1018 Core i3-4340 4,581
+0%
1019 Core i3-4330 4,581
+0%
1020 Ryzen 3 3250U 4,581
+0%
1021 Xeon W3550 4,580
1022 Xeon L5640 4,580
+0%
1023 Athlon Gold 7220U 4,580
+0%
1024 Core i7-2675QM 4,579
+-0%
1025 Core i5-7300U 4,579
+-0%
1026 Core i3-4170 4,579
+-0%

View full ranking →

Xeon W3550 Details

The Intel Xeon W3550, launched in August 2009, represents a significant step in server and workstation computing from the early days of the Core architecture. Built on Intel's Bloomfield microarchitecture and fabricated on a 45 nm process, this processor was designed for high-performance workloads requiring robust multi-threading and ECC memory support. Despite being over 14 years old, the W3550 remains a notable example of Intel's server-focused engineering, with a socket type of FCLGA1366 and a TDP of 130 W, demanding substantial cooling solutions. Its 4 cores and 8 threads, enabled by Hyper-Threading, were competitive in their era, though modern processors have since far surpassed it in both single-core and multi-core performance.

The processor operates at a base frequency of 3.06 GHz, with a turbo boost up to 3.33 GHz, supported by a 4.8 GT/s bus speed and a 23x multiplier. It features 8 MB of L3 cache, 64 KB of L1 cache, and 256 KB of L2 cache, all contributing to its ability to handle complex workloads efficiently for its time. With a transistor count of 731 million and a die area of 263 mm², the W3550 reflects the scale of server-grade silicon available in the late 2000s. It supports DDR3 800/1066 memory across a triple-channel interface, with a maximum memory bandwidth of 25.6 GB/s and a 24 GB limit, making it suitable for memory-intensive applications.

The Xeon W3550 lacks integrated graphics, relying instead on discrete GPUs for visual output, which was typical for server-oriented designs of that period. Despite this limitation, it supports a wide array of advanced technologies, including AES-NI, AVX2, VT-x, VT-d, EPT, and Intel vPro, ensuring strong virtualization and security capabilities. It also supports ECC memory, a critical feature for mission-critical systems where data integrity is paramount.

In benchmark testing, the Xeon W3550 achieves a multicore score of 4638, ranking #1043 out of 2060 processors, placing it ahead of several modern Intel Core i3 and i5 models but behind nearly all contemporary offerings. Its single-core score of 4575 ranks #1231, indicating that while it holds its own in legacy benchmarks, it is significantly outpaced by today's high-end CPUs. The overall score of 4600 places it at #1191 in the broader ranking, highlighting its position as a capable but aging processor.

As of March 2026, the Xeon W3550 is best suited for legacy systems, retro computing environments, or as a reference point for understanding the evolution of server processors. While it was once a leader in its segment, it now serves more as a historical benchmark rather than a practical choice for new deployments. Its strong ECC support and robust feature set still make it relevant in niche scenarios, but its performance and efficiency are no longer competitive with modern standards.
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Intel Xeon W3550

Main Specifications

Designer: Intel
Name: Xeon W3550
Model Number: W3550
Cores: 4
Threads: 8
Base Frequency: 3060 MHz
Clock Multiplier: 23x (locked)
Core Name: Bloomfield
Socket: FCLGA1366
Package: FC-LGA8
Target Segment: Server
Max CPUs: 1
TDP: 130 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.244 MiB
L3 Cache: 7.629 MiB

Memory Specifications

Supported Memory Type: DDR3 800/1066
Memory Channels: 3
Maximum Memory: 0 GB
Maximum Bandwidth: 25.6 GB/s
ECC Support: Yes

PCI-Express Specifications

PCIe Revision: 3.0
PCIe Lanes: 16
PCIe Configuration: Up to 1x16, 2x8, 1x8+2x4

Integrated Graphics

GPU: UHD Graphics 610
GPU Designer: Intel
GPU Max Frequency: 1050 MHz

Physical Specifications

Process: 45 nm
Die Area: 263 mm²
Transistor Count: 0.00 billion
Manufacturer: Intel
Word Size: 64-bit

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX2 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA
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