Xeon E3-1245

Details and Benchmarks for Intel Xeon E3-1245

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 E3-1245 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,654 Rank: 1146
Rank Name Score Visual
1142 Pentium G2120 4,661
+0.2%
1143 Xeon E3-1270 4,660
+0.1%
1144 Core i3-6100H 4,658
+0.1%
1145 Core i5-2320 4,657
+0.1%
1146 Xeon E3-1245 4,654
1147 Xeon X5677 4,653
+-0%
1148 Xeon Bronze 3204 4,652
+-0%
1149 Intel Core i3-7100U 4,652
+-0%
1150 Core i7-3687U 4,647
-0.2%
1151 Core i7-4500U 4,647
-0.2%

View full ranking →

Multicore Score

Multicore performance score for Xeon E3-1245 based on multi-threaded benchmark results.

4,679 Rank: 993
Rank Name Score Visual
989 Core i5-3470 4,681
+0%
990 Xeon E7-4830 4,680
+0%
991 Xeon E3-1270 v3 4,680
+0%
992 Core i5-3550 4,679
+0%
993 Xeon E3-1245 4,679
994 FX-8300 4,677
+-0%
995 Ryzen Embedded R1505G 4,676
-0.1%
996 Ryzen 3 2300U 4,676
-0.1%
997 Pentium Gold G5600 4,673
-0.1%
998 Core i7-2860QM 4,673
-0.1%

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Singlecore Score

Single-core performance score for Xeon E3-1245 based on single-threaded benchmark results.

4,637 Rank: 1189
Rank Name Score Visual
1185 Athlon Silver 3050U 4,640
+0.1%
1186 Core M 5Y10 4,638
+0%
1187 Core i7-2720QM 4,638
+0%
1188 Xeon W3565 4,637
+0%
1189 Xeon E3-1245 4,637
1190 Core M-5Y71 4,635
+-0%
1191 Pentium Silver N6005 4,633
-0.1%
1192 Core i3-6100U 4,630
-0.2%
1193 Core i7 930 4,630
-0.2%
1194 Celeron G1840 4,630
-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 E3-1245 based on integer math, floating point math, and prime number computation benchmarks.

4,628 Rank: 896
Rank Name Score Visual
892 Xeon E3-1265L v2 4,629
+0%
893 Xeon W3580 4,629
+0%
894 Core i5-3450 4,628
+0%
895 Xeon E3-1240 4,628
+0%
896 Xeon E3-1245 4,628
897 Ryzen 3 PRO 2200GE 4,627
+-0%
898 Core i3-8100T 4,627
+-0%
899 Core i7-4702MQ 4,627
+-0%
900 Core i5-7500T 4,626
+-0%
901 Core i5-6400 4,626
+-0%

View full ranking →

Data Processing

Aggregated score for Xeon E3-1245 based on data encryption, data compression, and string sorting benchmarks.

4,656 Rank: 783
Rank Name Score Visual
779 Core i7-6700HQ 4,656
+0%
780 Xeon E3-1240 4,656
+0%
781 Core i7-3740QM 4,656
+0%
782 Core i7-4980HQ 4,656
+0%
783 Xeon E3-1245 4,656
784 Xeon E-2124G 4,655
+-0%
785 Core i5-7600K 4,655
+-0%
786 Atom C3758 4,655
+-0%
787 Xeon E3-1265L v3 4,655
+-0%
788 Core i7-4960HQ 4,653
-0.1%

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Physics & Compute

Aggregated score for Xeon E3-1245 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,625 Rank: 903
Rank Name Score Visual
899 Core i7-2600 4,625
+0%
900 Core i7-3635QM 4,625
+0%
901 Xeon E3-1265L v2 4,625
+0%
902 Xeon E3-1270 4,625
+0%
903 Xeon E3-1245 4,625
904 Xeon E3-1235 4,625
+0%
905 Xeon X5670 4,624
+-0%
906 Ryzen Embedded V1605B 4,623
+-0%
907 Xeon X5650 4,623
+-0%
908 Ryzen 7 PRO 2700U 4,621
-0.1%

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Xeon E3-1245 Details

For users seeking a reliable, server-grade processor with integrated graphics and ECC memory support, the Intel Xeon E3-1245 stands as a capable option from the early 2010s. Released in April 2011, this processor is now over 14 years old, placing it firmly in the category of legacy hardware. Despite its age, it remains relevant in niche environments such as retro computing, embedded systems, or low-cost server deployments where power efficiency and stability outweigh raw performance demands.

Built on Intel’s Sandy Bridge microarchitecture and fabricated on a 32 nm process, the Xeon E3-1245 features four cores and eight threads thanks to Simultaneous Multithreading (SMT). It operates at a base frequency of 3.3 GHz and can boost up to 3.7 GHz under load. The chip includes 8 MB of L3 cache, with 0.061 MiB of L1 and 0.244 MiB of L2 cache, supporting dual-channel DDR3 memory. It uses the Socket 1155 platform and has a TDP of 95 W, requiring adequate cooling for sustained operation.

The integrated Intel HD P3000 graphics engine supports up to three displays and is suitable for basic visual tasks, though not for modern gaming or GPU-intensive workloads. The processor supports a wide range of Intel technologies, including AVX, AES-NI, and virtualization features like VT-x and VT-d, making it a solid choice for virtualized environments. ECC memory support further enhances its appeal for mission-critical applications where data integrity is paramount.

In benchmark testing, the Xeon E3-1245 achieves an overall score of 4654, placing it at #1146 out of 2060 processors in the overall ranking. Its single-core score is 4637, ranking #1188, and its multicore score is 4679, ranking #992. While these results are modest by today’s standards, they reflect the processor’s position as a mid-tier option from its era. It outperforms many modern low-power and mobile processors but falls far behind current high-end CPUs such as the Ryzen Threadripper PRO 9995WX or Core Ultra 9 285K.

As of March 2026, the Xeon E3-1245 is best suited for legacy server environments, small-scale virtualization, or retro hardware enthusiasts. Its combination of SMT, ECC support, and integrated graphics offers a balance of features that were valuable at the time of its release. However, its performance and power efficiency are significantly outpaced by modern alternatives, and its 14-year age makes it unsuitable for demanding workloads or new system builds.
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Intel Xeon E3-1245

Main Specifications

Designer: Intel
Name: Xeon E3-1245
Cores: 4
Threads: 8
Base Frequency: 3300 MHz
Clock Multiplier: 33x (locked)
Core Name: Sandy Bridge
Socket: Socket 1155
Package: FC-LGA10
Target Segment: Server
TDP: 95 W

Cache Specifications

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

Memory Specifications

Supported Memory Type: DDR3

Physical Specifications

Process: 32 nm
Die Area: 216 mm²
Manufacturer: Intel

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 EIST TXT VT-x VT-d SSE4a SHA AMD-Vi AMD-V SenseMI SMT
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