Xeon E3-1220 v5

Details and Benchmarks for Intel Xeon E3-1220 v5

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 E3-1220 v5 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,171 Rank: 730
Rank Name Score Visual
726 Core i5-1035G7 5,177
+0.1%
727 Xeon Gold 5115 5,177
+0.1%
728 Xeon E3-1275 v6 5,172
+0%
729 Core i5-7360U 5,172
+0%
730 Xeon E3-1220 v5 5,171
731 Core i7 X 000 5,168
-0.1%
732 Core i3-1115G4 5,167
-0.1%
733 Core i5-6500 5,166
-0.1%
734 Xeon E5-2666 v3 5,166
-0.1%
735 FX-8100 5,164
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Xeon E3-1220 v5 based on multi-threaded benchmark results.

4,719 Rank: 941
Rank Name Score Visual
937 Core i5-6440EQ 4,723
+0.1%
938 Core i5-10310U 4,723
+0.1%
939 Core i5-3475S 4,722
+0.1%
940 Ryzen 7 3700U 4,720
+0%
941 Xeon E3-1220 v5 4,719
942 Core i5-4590S 4,719
+0%
943 Core i5-4570S 4,716
-0.1%
944 Core i3-7320 4,713
-0.1%
945 Core i5-8365U 4,713
-0.1%
946 Celeron G3920 4,712
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Xeon E3-1220 v5 based on single-threaded benchmark results.

5,472 Rank: 574
Rank Name Score Visual
570 Ryzen 7 1700 5,475
+0.1%
571 Core i7-9850H 5,473
+0%
572 Core i5-9400 5,473
+0%
573 Core i5-4690 5,473
+0%
574 Xeon E3-1220 v5 5,472
575 Core i7-7660U 5,471
+-0%
576 Core i7-5960X 5,470
+-0%
577 Core i3-8109U 5,469
-0.1%
578 Core i5-1135G7 5,469
-0.1%
579 Core i5-7260U 5,468
-0.1%

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 E3-1220 v5 based on integer math, floating point math, and prime number computation benchmarks.

4,660 Rank: 788
Rank Name Score Visual
784 Xeon D-1622 4,662
+0%
785 Core i7-3940XM 4,662
+0%
786 Xeon E3-1220 v3 4,661
+0%
787 Xeon E3-1265L v3 4,661
+0%
788 Xeon E3-1220 v5 4,660
789 Xeon E5-1603 v4 4,660
+0%
790 Core i7-8650U 4,660
+0%
791 Core i5-4690 4,660
+0%
792 Core i7-5700HQ 4,660
+0%
793 Xeon E3-1240L v5 4,659
+-0%

View full ranking →

Data Processing

Aggregated score for Xeon E3-1220 v5 based on data encryption, data compression, and string sorting benchmarks.

4,607 Rank: 882
Rank Name Score Visual
878 Atom C3958 4,609
+0%
879 Xeon X5667 4,609
+0%
880 Xeon E3-1225 v6 4,608
+0%
881 Athlon 240GE 4,607
+0%
882 Xeon E3-1220 v5 4,607
883 Core i5-6500 4,607
+0%
884 Core i5-6600T 4,607
+0%
885 Core i5-4670S 4,607
+0%
886 Core i7-3612QM 4,607
+0%
887 Core i3-9100T 4,605
+-0%

View full ranking →

Physics & Compute

Aggregated score for Xeon E3-1220 v5 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,724 Rank: 696
Rank Name Score Visual
692 Core i7-4790 4,726
+0%
693 Xeon E3-1241 v3 4,726
+0%
694 Xeon E3-1275 v3 4,725
+0%
695 Xeon E3-1280 v3 4,725
+0%
696 Xeon E3-1220 v5 4,724
697 Core i7-6820EQ 4,724
+0%
698 Core i5-6600 4,724
+0%
699 Xeon E3-1246 v3 4,724
+0%
700 Xeon E3-1231 v3 4,724
+0%
701 Xeon E3-1225 v6 4,722
+-0%

View full ranking →

Xeon E3-1220 v5 Details

Built on Intel's Skylake microarchitecture and manufactured on a 14 nm process, the Xeon E3-1220 v5 represents a server-grade processor designed for professional workstations and entry-level server environments. Released in October 2015, this CPU is now considered a legacy part by modern standards, though it remains relevant for niche applications that prioritize reliability, ECC memory support, and virtualization capabilities. As of March 2026, the processor's age places it well outside the current generation of high-performance computing hardware, but its architecture and feature set still offer value in specific use cases.

The Xeon E3-1220 v5 features four cores and four threads, with a base clock of 3.0 GHz and a turbo frequency of 3.5 GHz when active. Despite the absence of simultaneous multithreading, the processor delivers strong single-threaded performance, which is reflected in its single-core score of 5472—placing it at rank #574 among 2060 CPUs. This performance is competitive with several modern low-power mobile and desktop processors, such as the Core i5-9400 and Ryzen 7 1700, though it falls short of the latest high-end offerings. The multicore score of 4719 ranks it at #941 of 2060, indicating that while it can handle multi-threaded workloads, it is outpaced by more recent processors with higher core counts and advanced architectures.

The processor is built on a 14 nm CMOS process and integrates 1.75 billion transistors, with a die area of 122 mm². It operates at a TDP of 80 W, requiring adequate cooling, especially under sustained workloads. The Xeon E3-1220 v5 supports dual-channel DDR3L-1600 and DDR4-2133 memory, with a maximum capacity of 64 GB and a peak memory bandwidth of 34.1 GB/s. It features 8 MB of L3 cache and 1 MB of L2 cache, with 0.125 MB each of L1 instruction and data cache. These specifications contribute to its balanced performance profile, particularly in memory-intensive applications.

Notable features include support for Intel’s Advanced Vector Extensions (AVX and AVX2), AES encryption instructions, and Intel VT-x and VT-d virtualization technologies. It also supports ECC memory, a critical capability for data integrity in mission-critical systems, and includes Intel’s Enhanced SpeedStep and Turbo Boost 2.0 for power efficiency and dynamic frequency scaling. However, the processor lacks integrated graphics, requiring a discrete GPU for any visual output.

In benchmark testing, the Xeon E3-1220 v5 achieves an overall score of 5171, ranking #730 of 2060 processors. While it competes with modern low-power mobile chips like the Core i5-1035G7 and Ryzen 7 1700 in single-core performance, its multicore performance is more modest. Its positioning suggests it is best suited for legacy systems, small-scale servers, or workstations where virtualization, ECC memory, and reliability are prioritized over raw performance. As of March 2026, while no longer competitive with leading-edge CPUs, the Xeon E3-1220 v5 remains a viable option for cost-effective, stable computing environments.
Frequently Compared

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Intel Xeon E3-1220 v5

Main Specifications

Designer: Intel
Name: Xeon E3-1220 v5
Family: Xeon
Series: E3-1200
Model Number: E3-1220
Cores: 4
Threads: 4
Base Frequency: 3000 MHz
Turbo Frequency (1 core): 3500 MHz
Clock Multiplier: 30x (locked)
Microarchitecture: Skylake
Core Name: Skylake
Core Family: 6
Core Model: 94
Socket: LGA-1151
Package: FCLGA-1151
Chipset: Sunrise
Target Segment: Server
Max CPUs: 1
TDP: 80 W
Release Price: $203.00

Cache Specifications

L1 Cache: 256 KiB
L1 Instruction Cache: 128 KiB (8-way set associative)
L1 Data Cache: 128 KiB (8-way set associative)
L2 Cache: 1 MiB (4-way set associative)
L3 Cache: 8 MiB

Memory Specifications

Supported Memory Type: DDR3L-1600 and DDR4-2133
Memory Channels: 2
Maximum Memory: 64 GB
Maximum Bandwidth: 31.79 GB/s
ECC Support: Yes

Physical Specifications

Process: 14 nm
Die Area: 122 mm²
Manufacturer: Intel
Technology: CMOS
Word Size: 64-bit
ISA: x86-64 (x86)

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 ABM BMI1 BMI2 FMA3 AES RdRand ADX CLMUL F16C x86-16 x86-32 x86-64 Real Protected SMM FPU NX HT TBT 2.0 EIST TXT vPro VT-x VT-d EPT MPX SGX Secure Key SMEP TSX
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