Atom E3815

Details and Benchmarks for Intel Atom E3815

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 Atom E3815 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

3,580 Rank: 2057
Rank Name Score Visual
2051 Atom 330 3,625
+1.3%
2052 Celeron N2805 3,621
+1.1%
2053 Atom Z670 3,600
+0.6%
2054 Atom N2800 3,598
+0.5%
2055 Atom 230 3,585
+0.1%
2056 Atom Z520 3,582
+0.1%
2057 Atom E3815 3,580
2058 A4-1200 3,554
-0.7%
2059 Sempron 3500+ 3,538
-1.2%
2060 Atom D2500 3,524
-1.6%

View full ranking →

Multicore Score

Multicore performance score for Atom E3815 based on multi-threaded benchmark results.

4,239 Rank: 1941
Rank Name Score Visual
1937 Celeron N2815 4,240
+0%
1938 Sempron 3200+ 4,240
+0%
1939 Core 2 Duo T7500 4,239
+0%
1940 E1-2500 4,239
+0%
1941 Atom E3815 4,239
1942 Athlon LE-1640 4,238
+-0%
1943 E2-2000 4,238
+-0%
1944 A6-6400K 4,237
+-0%
1945 Core 2 Duo P7570 4,237
+-0%
1946 Core 2 Duo T6500 4,237
+-0%

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Singlecore Score

Single-core performance score for Atom E3815 based on single-threaded benchmark results.

3,140 Rank: 2057
Rank Name Score Visual
2051 Atom 330 3,229
+2.8%
2052 Atom Z670 3,200
+1.9%
2053 Celeron N2805 3,198
+1.8%
2054 Atom 230 3,183
+1.4%
2055 Atom Z520 3,173
+1.1%
2056 Atom N2800 3,153
+0.4%
2057 Atom E3815 3,140
2058 A4-1200 3,089
-1.6%
2059 Sempron 3500+ 3,082
-1.8%
2060 Atom D2500 3,044
-3.1%

View full ranking →

Workload Scores

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

Number Crunching

Aggregated score for Atom E3815 based on integer math, floating point math, and prime number computation benchmarks.

4,452 Rank: 1765
Rank Name Score Visual
1761 Sempron 2500+ 4,454
+0%
1762 Atom D2500 4,453
+0%
1763 Atom N450 4,452
+0%
1764 Atom N455 4,452
+0%
1765 Atom E3815 4,452
1766 Atom D425 4,451
+-0%
1767 Sempron LE-1250 4,431
-0.5%
1768 Atom 230 4,429
-0.5%
1769 Atom N280 4,426
-0.6%
1770 Atom N270 4,424
-0.6%

View full ranking →

Data Processing

Aggregated score for Atom E3815 based on data encryption, data compression, and string sorting benchmarks.

4,417 Rank: 1767
Rank Name Score Visual
1762 Celeron 807UE 4,418
+0%
1763 Atom N450 4,418
+0%
1764 Atom N455 4,418
+0%
1765 Sempron 3200+ 4,418
+0%
1766 Atom N280 4,417
+0%
1767 Atom E3815 4,417
1768 Atom D425 4,417
+0%
1769 Atom N270 4,415
+-0%
1770 Atom 230 4,414
-0.1%
1771 Atom Z520 4,413
-0.1%

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Physics & Compute

Aggregated score for Atom E3815 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,431 Rank: 1766
Rank Name Score Visual
1762 Atom N455 4,433
+0%
1763 Sempron LE-1250 4,433
+0%
1764 Atom N280 4,432
+0%
1765 Atom D425 4,432
+0%
1766 Atom E3815 4,431
1767 Atom Z520 4,430
+-0%
1768 Sempron 3200+ 4,430
+-0%
1769 Atom N270 4,429
+-0%
1770 Sempron 2500+ 4,429
+-0%
1771 Atom 230 4,428
-0.1%

View full ranking →

Atom E3815 Details

Ranking #2057 of 2060 in overall performance, the Intel Atom E3815 sits near the bottom of modern CPU benchmarks, reflecting its age and entry-level design. Released in October 2013 as part of Intel's Bay Trail-I family, this processor was built for ultra-low-power mobile devices such as netbooks and embedded systems. Its 22 nm manufacturing process and 5 W TDP underscore its focus on energy efficiency rather than raw computational power. Despite its historical significance in the mobile space, the E3815 is now obsolete by current standards, with no support for modern instruction sets like AVX or SSE4.2, limiting its usefulness in today’s software ecosystem.

The Atom E3815 features a single core with a base frequency of 1.467 GHz and a locked clock multiplier, meaning it cannot be overclocked. It includes 512 KB of L2 cache per core and supports DDR3 memory, though the exact memory bandwidth and maximum capacity are unspecified. The processor uses a BGA1170 package and operates at a very low 5 W TDP, making it suitable for fanless systems and compact devices where power consumption is critical. The integrated HD Graphics GPU provides basic visual output, though it lacks support for modern graphics APIs and is not capable of handling contemporary gaming or video editing workloads.

In benchmark tests, the E3815 achieves a single-core score of 3,140 and a multicore score of 4,239, placing it among the lowest-performing processors in its category. Its overall score of 3,580 confirms its position as a low-end, budget-oriented CPU. Compared to its immediate neighbors, it trails behind slightly older models like the Atom Z520 and Atom 230, both of which have higher clock speeds and better performance metrics. This suggests that even within the Atom lineup, the E3815 was one of the least powerful variants.

While the E3815 may have been sufficient for basic tasks like web browsing and document editing in its time, it is now largely irrelevant in the context of modern computing. Its lack of modern features, such as ECC memory support and simultaneous multithreading, further diminishes its appeal. The processor’s primary use case today is in legacy systems or specialized embedded applications where power efficiency and cost are more important than performance. As of March 2026, it remains a relic of an earlier era in mobile computing, offering little value in new builds or upgrades.

In conclusion, the Intel Atom E3815 is a niche processor designed for ultra-low-power environments. Its minimal performance, outdated architecture, and lack of modern features make it unsuitable for general-purpose computing in 2026. While it holds historical interest as part of Intel’s early efforts in low-power mobile design, it is best suited for legacy systems or educational demonstrations of early Atom processors. For users seeking anything beyond basic functionality, a more modern and capable CPU is strongly recommended.
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Intel Atom E3815

Main Specifications

Designer: Intel
Name: Atom E3815
Cores: 1
Threads: 1
Base Frequency: 1467 MHz
Clock Multiplier: 11x (locked)
Core Name: Bay Trail-I
Socket: BGA1170
Package: FC-BGA1170
Target Segment: Mobile
TDP: 5 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.488 MiB

Memory Specifications

Supported Memory Type: DDR3

Physical Specifications

Process: 22 nm
Manufacturer: Intel

CPU Features

MMX SSE SSE2 SSE3 SSSE3 NX EIST BPT
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