Xeon E5506

Details and Benchmarks for Intel Xeon E5506

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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 E5506 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,204 Rank: 1671
Rank Name Score Visual
1667 Xeon E5606 4,208
+0.1%
1668 Pentium 2127U 4,207
+0.1%
1669 Athlon 7750 4,206
+0%
1670 Celeron B840 4,205
+0%
1671 Xeon E5506 4,204
1672 Athlon II X3 425 4,204
+0%
1673 A6-3650 4,203
+-0%
1674 Core 2 Duo T9400 4,203
+-0%
1675 Core 2 Duo P8700 4,203
+-0%
1676 Celeron 2950M 4,203
+-0%

View full ranking →

Multicore Score

Multicore performance score for Xeon E5506 based on multi-threaded benchmark results.

4,297 Rank: 1767
Rank Name Score Visual
1763 Sempron 3850 4,298
+0%
1764 Celeron 3855U 4,297
+0%
1765 Core i3-6006U 4,297
+0%
1766 Pentium G645 4,297
+0%
1767 Xeon E5506 4,297
1768 Intel Atom x5-E8000 4,296
+-0%
1769 Celeron 1000M 4,296
+-0%
1770 A4-4000 4,295
+-0%
1771 Pentium P6100 4,295
+-0%
1772 Celeron 3205U 4,295
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Xeon E5506 based on single-threaded benchmark results.

4,142 Rank: 1640
Rank Name Score Visual
1636 Pentium E5300 4,144
+0%
1637 A4-3420 4,144
+0%
1638 Core i5-3339Y 4,143
+0%
1639 Core 2 Duo T9400 4,143
+0%
1640 Xeon E5506 4,142
1641 Celeron E3500 4,142
+0%
1642 A8-3820 4,142
+0%
1643 Intel Core i3-390M 4,137
-0.1%
1644 FX-9800P 4,137
-0.1%
1645 Pentium 2127U 4,133
-0.2%

View full ranking →

Workload Scores

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

Number Crunching

Aggregated score for Xeon E5506 based on integer math, floating point math, and prime number computation benchmarks.

4,533 Rank: 1283
Rank Name Score Visual
1279 Phenom II X4 B50 4,533
+0%
1280 Core i7-3667U 4,533
+0%
1281 Core i5-5200U 4,533
+0%
1282 Phenom II X4 960T 4,533
+0%
1283 Xeon E5506 4,533
1284 Core i5-5350U 4,533
+0%
1285 Core i3-5157U 4,533
+0%
1286 Phenom II X4 B93 4,533
+0%
1287 Core i7-8500Y 4,533
+0%
1288 Core i7-7Y75 4,532
+-0%

View full ranking →

Data Processing

Aggregated score for Xeon E5506 based on data encryption, data compression, and string sorting benchmarks.

4,500 Rank: 1328
Rank Name Score Visual
1324 Core i7-2655LE 4,500
+0%
1325 Core i3-6100U 4,500
+0%
1326 Celeron G4920 4,500
+0%
1327 Pentium G3450 4,500
+0%
1328 Xeon E5506 4,500
1329 Core i5-3427U 4,500
+0%
1330 A8-3550MX 4,500
+0%
1331 Celeron G3920 4,499
+-0%
1332 Celeron N3450 4,499
+-0%
1333 Celeron G3950 4,499
+-0%

View full ranking →

Physics & Compute

Aggregated score for Xeon E5506 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,515 Rank: 1300
Rank Name Score Visual
1296 Pentium G3260 4,515
+0%
1297 Pentium G3420 4,515
+0%
1298 Phenom II X4 B55 4,515
+0%
1299 Phenom II X4 B50 4,515
+0%
1300 Xeon E5506 4,515
1301 Core M-5Y71 4,515
+0%
1302 Core M-5Y31 4,515
+0%
1303 Core i5-680 4,515
+0%
1304 Phenom II X4 B97 4,515
+0%
1305 Athlon X4 730 4,515
+0%

View full ranking →

Xeon E5506 Details

The Intel Xeon E5506, launched in March 2009, represents a server-grade processor from the early days of the Nehalem architecture era, built on a 45 nm process and featuring the Gainestown core design. As of March 2026, it is an older device, long surpassed by modern high-performance CPUs in both single-threaded and multi-threaded performance. Despite its age, the Xeon E5506 holds a place in legacy systems and older server environments where its ECC memory support and dual-processor scalability remain relevant. With a base clock of 2.13 GHz and a turbo frequency of 2.7 GHz, it delivers a balanced mix of performance and efficiency for its time, though it lacks modern instruction sets like AVX-512 or secure execution features seen in today's processors.

The processor features four cores and four threads, with no Simultaneous Multithreading (SMT) support, which limits its ability to handle concurrent workloads efficiently compared to modern hyperthreaded designs. It operates on a triple-channel DDR3 800 memory interface, supporting up to 144 GB of ECC memory and delivering a maximum memory bandwidth of 19.2 GB/s. Its 80 W TDP, while high for a low-power design, reflects the era's emphasis on raw computational power over energy efficiency. The processor uses the FCLGA1366 socket and supports up to two CPUs in a symmetric multiprocessing (SMP) configuration, making it suitable for entry-level dual-socket server systems.

In terms of integrated graphics, the Xeon E5506 lacks a dedicated GPU, meaning users must rely on discrete graphics solutions for visual output. This absence of integrated graphics is typical for server-oriented processors of this generation. On the feature side, it supports a range of Intel technologies including SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AES-NI, AVX2, Hyper-Threading (though disabled in this model), EIST, VT-x, VT-d, and TXT, providing a solid foundation for virtualization and encryption tasks. However, its lack of integrated graphics and limited cache—3.815 MiB L3, 0.244 MiB L2, and 0.061 MiB L1—contributes to its overall performance ceiling.

Benchmark results place the Xeon E5506 at an Overall Score of 4204 (#1671 of 2060), a Singlecore Score of 4142 (#1640 of 2060), and a Multicore Score of 4297 (#1764 of 2060). These scores highlight that while it performs adequately in single-threaded tasks, its multicore performance is more competitive, especially when compared to lower-end desktop CPUs from the same era. The processor outperforms some Atom and Celeron models but trails significantly behind modern high-end processors, which dominate the top 50 lists with scores exceeding 7,000 in multicore and 8,000 in single-core performance.

In conclusion, the Xeon E5506 is best suited for legacy server environments or specialized workloads where ECC memory, dual-processor support, and virtualization capabilities are required. It remains relevant in niche applications but is no longer competitive in mainstream computing. As of March 2026, it serves as a historical benchmark for the evolution of server processors, showcasing the transition from single-threaded performance to multi-core scalability and energy-efficient design.
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Intel Xeon E5506

Main Specifications

Designer: Intel
Name: Xeon E5506
Model Number: E5506
Cores: 4
Threads: 4
Base Frequency: 2130 MHz
Clock Multiplier: 16x (locked)
Core Name: Gainestown
Socket: FCLGA1366
Package: FC-LGA8
Target Segment: Server
Max CPUs: 2
TDP: 80 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.244 MiB
L3 Cache: 3.815 MiB

Memory Specifications

Supported Memory Type: DDR3 800
Memory Channels: 3
Maximum Memory: 0 GB
Maximum Bandwidth: 19.2 GB/s
ECC Support: Yes

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 16
PCIe Configuration: 1x16 or 2x8 or 1x8 2x4

Integrated Graphics

GPU: HD Graphics 2000
GPU Designer: Intel
GPU Max Frequency: 1100 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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