Celeron 3955U vs 3965U

Place in performance ranking	2262	2362
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Celeron
Architecture codename	Kaby Lake-U	Skylake (2015−2016)
Release date	3 January 2017 (7 years ago)	15 August 2015 (8 years ago)
Launch price (MSRP)	$107	$107
Current price	$532 (5x MSRP)	$764 (7.1x MSRP)

Detailed Specifications

Celeron 3965U and Celeron 3955U basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	2 (Dual-core)
Threads	2	2
Base clock speed	2.2 GHz	2 GHz
Boost clock speed	2.2 GHz	2 GHz
Bus support	no data	4 GT/s
L1 cache	64K (per core)	128 KB
L2 cache	256K (per core)	512 KB
L3 cache	2 MB (shared)	2 MB
Chip lithography	14 nm	14 nm
Die size	98.7 mm²	98.57 mm²10.3 mm × 9.57 mm
Maximum core temperature	100 °C	100 °C
Number of transistors	no data	1750 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Celeron 3965U and Celeron 3955U compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	FCBGA1356,FPBGA1356	FCBGA1356
Power consumption (TDP)	15 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 3965U and Celeron 3955U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
My WiFi	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	+	-
TSX	-	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
SIPP	-	-
Smart Response	+	+
Status	Launched	Launched

Security technologies

Celeron 3965U and Celeron 3955U technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Secure Key	+	+
MPX	+	-
Identity Protection	no data	+
SGX	Yes with Intel® ME	Yes with Intel® ME
OS Guard	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 3965U and Celeron 3955U are enumerated here.

AMD-V	+	no data
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 3965U and Celeron 3955U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4, DDR3	DDR4-1866, DDR4-2133, LPDDR3-1600, LPDDR3-1866, DDR3L-1333, DDR3L-1600
Maximum memory size	32 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	34.1 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 610	Intel HD Graphics 510
Max video memory	32 GB	32 GB
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	+
Graphics max frequency	900 MHz	900 MHz

Graphics interfaces

Available interfaces and connections of Celeron 3965U and Celeron 3955U integrated GPUs.

Number of displays supported	3	3
eDP	+	+
DisplayPort	+	+
HDMI	+	+
DVI	+	+

Graphics image quality

Maximum display resolutions supported by Celeron 3965U and Celeron 3955U integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096x2304@24Hz	4096x2304@24Hz
Max resolution over eDP	4096x2304@60Hz	4096x2304@60Hz
Max resolution over DisplayPort	4096x2304@60Hz	4096x2304@60Hz
Max resolution over VGA	no data	N/A

Graphics API support

APIs supported by Celeron 3965U and Celeron 3955U integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.4	4.4

Peripherals

Specifications and connection of peripherals supported by Celeron 3965U and Celeron 3955U.

PCIe version	2.0	3.0
PCI Express lanes	10	12

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Celeron 3965U 1.13
+16.5%

Celeron 3955U 0.97

3965U outperforms 3955U by 16% based on our aggregated benchmark results.

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

Celeron 3965U 1753
+16.3%

Celeron 3955U 1507

3965U outperforms 3955U by 16% in Passmark.

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Benchmark coverage: 42%

Celeron 3965U 449
+4.2%

Celeron 3955U 431

3965U outperforms 3955U by 4% in GeekBench 5 Single-Core.

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Benchmark coverage: 42%

Celeron 3965U 786
+6.1%

Celeron 3955U 741

3965U outperforms 3955U by 6% in GeekBench 5 Multi-Core.