Celeron 3965Y

Details and Benchmarks for Intel Celeron 3965Y

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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 Celeron 3965Y based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,156 Rank: 1737
Rank Name Score Visual
1733 E2-3200 4,161
+0.1%
1734 Intel Core i7-640LM 4,159
+0.1%
1735 Pentium P6100 4,158
+0%
1736 Core i3-4012Y 4,158
+0%
1737 Celeron 3965Y 4,156
1738 E2-9010 4,156
+0%
1739 Intel Core i5-520M 4,153
-0.1%
1740 Phenom II X4 805 4,152
-0.1%
1741 A6-3600 4,151
-0.1%
1742 A6-9220 4,150
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Celeron 3965Y based on multi-threaded benchmark results.

4,312 Rank: 1721
Rank Name Score Visual
1717 Pentium 3805U 4,313
+0%
1718 A4-3420 4,313
+0%
1719 Core i5-8200Y 4,313
+0%
1720 Athlon 5150 4,313
+0%
1721 Celeron 3965Y 4,312
1722 Pentium P6200 4,312
+0%
1723 Pentium G640 4,311
+-0%
1724 Celeron G540 4,311
+-0%
1725 Celeron 1005M 4,311
+-0%
1726 A6-9210 4,311
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Celeron 3965Y based on single-threaded benchmark results.

4,052 Rank: 1725
Rank Name Score Visual
1721 A6-3500 4,058
+0.1%
1722 Core 2 Duo P8800 4,057
+0.1%
1723 Core M 5Y10a 4,056
+0.1%
1724 Core i7-2610UE 4,056
+0.1%
1725 Celeron 3965Y 4,052
1726 Xeon E5345 4,049
-0.1%
1727 Core 2 Duo P7450 4,049
-0.1%
1728 A6-3650 4,047
-0.1%
1729 A6-9220 4,047
-0.1%
1730 Core 2 Duo T6500 4,047
-0.1%

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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 Celeron 3965Y based on integer math, floating point math, and prime number computation benchmarks.

4,493 Rank: 1585
Rank Name Score Visual
1581 Pentium N3710 4,494
+0%
1582 Pentium N3530 4,494
+0%
1583 Athlon II X3 400e 4,494
+0%
1584 Celeron N4000 4,493
+0%
1585 Celeron 3965Y 4,493
1586 Celeron B840 4,493
+0%
1587 Pentium E6800 4,493
+0%
1588 Phenom II X2 550 4,493
+0%
1589 Pentium E6500 4,493
+0%
1590 A6-3410MX 4,493
+0%

View full ranking →

Data Processing

Aggregated score for Celeron 3965Y based on data encryption, data compression, and string sorting benchmarks.

4,452 Rank: 1644
Rank Name Score Visual
1640 Core i3-4012Y 4,453
+0%
1641 A4-9120 4,453
+0%
1642 Celeron 3855U 4,452
+0%
1643 Core i3-2377M 4,452
+0%
1644 Celeron 3965Y 4,452
1645 Celeron B840 4,452
+0%
1646 A6-9210 4,452
+0%
1647 Pentium 2127U 4,452
+0%
1648 Pentium T4500 4,452
+0%
1649 Celeron 2980U 4,452
+0%

View full ranking →

Physics & Compute

Aggregated score for Celeron 3965Y based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,477 Rank: 1560
Rank Name Score Visual
1556 A6-5200 4,478
+0%
1557 Pentium 3556U 4,478
+0%
1558 A6-3430MX 4,478
+0%
1559 Phenom II X2 B55 4,478
+0%
1560 Celeron 3965Y 4,477
1561 A4-7210 4,477
+0%
1562 Xeon E5320 4,477
+0%
1563 A6-5400B 4,477
+0%
1564 Phenom II X2 B53 4,477
+0%
1565 A6-6310 4,477
+0%

View full ranking →

Celeron 3965Y Details

The Intel Celeron 3965Y stands as a compact, power-efficient processor designed for low-power mobile devices, built on the Kaby Lake Y microarchitecture and fabricated on a 14 nm process. Released in the mid-2010s, it is now considered an older device, with its relevance primarily in budget laptops and embedded systems where energy efficiency and thermal control are prioritized over raw performance. Despite its age, the processor maintains a niche presence in the market due to its low TDP of 6 W and integration of Intel's HD Graphics 615, which provides basic multimedia and light graphics support.

Featuring two cores and two threads, the Celeron 3965Y operates at a base frequency of 1.3 GHz with a locked clock multiplier, indicating limited overclocking potential. It supports up to 16 GiB of LPDDR3-1866, DDR3L-1600, and DDR4-2133 memory across two channels, achieving a maximum memory bandwidth of 31.79 GiB/s. The processor includes a 0.125 MiB L1 cache, 0.5 MiB L2 cache, and a 2 MiB L3 cache, contributing to moderate data access speeds. Its integrated GPU, the HD Graphics 615, features 24 execution units and operates at up to 850 MHz, supporting up to three displays and providing basic graphical performance suitable for office tasks and HD video playback.

The Celeron 3965Y supports a range of modern x86-64 instruction sets, including SSE4.1, SSE4.2, AVX, AES-NI, and Intel’s enhanced SpeedStep and Turbo Boost 2.0 technologies. It also includes features such as Intel vPro, Intel VT-x, and Intel VT-d for virtualization, along with security capabilities like Intel Secure Key and Intel TXT. However, it lacks ECC memory support, limiting its use in enterprise environments.

In benchmark testing, the Celeron 3965Y achieves an overall score of 4156, placing it at #1737 among 2060 processors, with single-core and multi-core scores of 4052 and 4312, respectively. While it performs comparably to older dual-core processors like the Core i3-350M and Celeron G540, it trails behind modern mobile CPUs such as the Core M 5Y71 and Pentium 3805U. Its multicore performance is particularly modest, with a rank of #1721, indicating that it is outperformed by most contemporary low-power and mainstream processors.

As of March 2026, the Celeron 3965Y remains a viable option for basic computing tasks in ultra-portable devices, but it is not suited for demanding applications such as gaming, content creation, or heavy multitasking. Its performance is best viewed as a legacy solution, bridging the gap between entry-level computing and more capable mobile processors.
Frequently Compared

AMD Ryzen 9 PRO 3900 20 views

Intel Core i7-7700K 20 views

Intel Xeon Silver 4112 20 views

Intel Xeon Silver 4210 20 views

Intel Xeon Silver 4116 19 views

Intel Xeon Silver 4208 19 views

AMD Ryzen 3 PRO 2200GE 18 views

AMD Ryzen 5 PRO 3500U 18 views

Intel Core i7-7820EQ 18 views

Intel Xeon Silver 4114 17 views

Intel Celeron 3965Y

Main Specifications

Designer: Intel
Name: Celeron 3965Y
Family: Celeron
Series: 3900
Model Number: 3965Y
Cores: 2
Threads: 2
Base Frequency: 1300 MHz
Clock Multiplier: 13x (locked)
Microarchitecture: Kaby Lake
Core Name: Kaby Lake Y
Core Family: 6
Core Model: 142
Package: FCBGA-1356
Target Segment: Mobile
Max CPUs: 1
TDP: 6 W

Cache Specifications

L1 Cache: 128 KiB
L1 Instruction Cache: 64 KiB (8-way set associative)
L1 Data Cache: 64 KiB (8-way set associative)
L2 Cache: 0.5 MiB (4-way set associative)
L3 Cache: 2 MiB (12-way set associative)

Memory Specifications

Supported Memory Type: LPDDR3-1866 DDR3L-1600 and DDR4-2133
Memory Channels: 2
Maximum Memory: 16 GB
Maximum Bandwidth: 31.79 GB/s
ECC Support: No

Integrated Graphics

GPU: HD Graphics 615
GPU Designer: Intel
GPU Max Frequency: 850 MHz
Execution Units: 24

Physical Specifications

Process: 14 nm
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 ABM BMI1 BMI2 AES RdRand ADX CLMUL F16C x86-16 x86-32 x86-64 Real Protected SMM FPU NX HT TBT 2.0 EIST SST TXT vPro VT-x VT-d EPT MPX SGX Secure Key SMEP Flex Memory MWT ISRT
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