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Intel Core i3-3240 vs Intel Celeron 3955U

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CPU comparison with benchmarks


Intel Core i3-3240 CPU1 vs CPU2 Intel Celeron 3955U
Intel Core i3-3240 Intel Celeron 3955U

CPU comparison

In this CPU comparison, we compare the Intel Core i3-3240 and the Intel Celeron 3955U and use benchmarks to check which processor is faster.

We compare the Intel Core i3-3240 2 core processor released in Q3/2012 with the Intel Celeron 3955U which has 2 CPU cores and was introduced in Q4/2015.
Intel Core i3 (205) Family Intel Celeron (165)
Intel Core i 3000 (31) CPU group Intel Celeron 3000 (10)
3 Generation 7
Ivy Bridge S Architecture Kaby Lake U
Desktop Segment Notebook
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i3-3240 is a 2 core processor with a clock frequency of 3.40 GHz. The processor can compute 4 threads at the same time. The Intel Celeron 3955U clocks with 2.00 GHz, has 2 CPU cores and can calculate 2 threads in parallel.
Intel Core i3-3240 Characteristic Intel Celeron 3955U
2 Cores 2
4 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
3.40 GHz Frequency 2.00 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.
Intel Core i3-3240 Characteristic Intel Celeron 3955U
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.
Intel HD Graphics 2500 GPU Intel HD Graphics 510
0.65 GHz GPU frequency 0.30 GHz
1.05 GHz GPU (Turbo) 0.90 GHz
7 GPU Generation 9
22 nm Technology 14 nm
3 Max. displays 3
6 Compute units 12
48 Shader 96
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 32 GB
11.0 DirectX Version 12.0

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Intel HD Graphics 2500 GPU Intel HD Graphics 510
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 Decode
No Codec VP8 Decode / Encode
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode

Memory & PCIe

Up to 32 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i3-3240, while the Intel Celeron 3955U supports a maximum of 32 GB of memory with a maximum memory bandwidth of 34.1 GB/s enabled.
Intel Core i3-3240 Characteristic Intel Celeron 3955U
DDR3-1600 Memory LPDDR3-1866, DDR4-2133, DDR3L-1600
32 GB Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 34.1 GB/s
No ECC No
-- L2 Cache --
3.00 MB L3 Cache 2.00 MB
2.0 PCIe version 3.0
16 PCIe lanes 12
8.0 GB/s PCIe Bandwidth 11.8 GB/s

Thermal Management

The Intel Core i3-3240 has a TDP of 55 W. The TDP of the Intel Celeron 3955U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.
Intel Core i3-3240 Characteristic Intel Celeron 3955U
55 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 10 W
-- Tjunction max. 100 °C

Technical details

The Intel Core i3-3240 has 3.00 MB cache and is manufactured in 22 nm. The cache of Intel Celeron 3955U is at 2.00 MB. The processor is manufactured in 14 nm.
Intel Core i3-3240 Characteristic Intel Celeron 3955U
22 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2
LGA 1155 Socket --
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2012 Release date Q4/2015
117 $ Release price --
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Rate these processors

Here you can rate the Intel Core i3-3240 to help other visitors make their purchasing decisions. The average rating is 3.2 stars (13 ratings). Rate now:
Here you can rate the Intel Celeron 3955U to help other visitors make their purchasing decisions. The average rating is 1.5 stars (2 ratings). Rate now:

Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
Intel Core i3-3240 (100%)
Intel Celeron 3955U (74%)
⌀ Multi core performance in 4 CPU benchmarks
Intel Core i3-3240 (100%)
Intel Celeron 3955U (62%)

Geekbench 6 (Single-Core)

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.
Intel Core i3-3240 Intel Core i3-3240
2C 4T @ 3.40 GHz
586 (100%)
Intel Celeron 3955U Intel Celeron 3955U
2C 2T @ 2.00 GHz
445 (76%)

Geekbench 6 (Multi-Core)

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.
Intel Core i3-3240 Intel Core i3-3240
2C 4T @ 3.40 GHz
1240 (100%)
Intel Celeron 3955U Intel Celeron 3955U
2C 2T @ 2.00 GHz
780 (63%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i3-3240 Intel Core i3-3240
2C 4T @ 3.40 GHz
672 (100%)
Intel Celeron 3955U Intel Celeron 3955U
2C 2T @ 2.00 GHz
514 (76%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i3-3240 Intel Core i3-3240
2C 4T @ 3.40 GHz
1483 (100%)
Intel Celeron 3955U Intel Celeron 3955U
2C 2T @ 2.00 GHz
1018 (69%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i3-3240 Intel Core i3-3240
Intel HD Graphics 2500 @ 1.05 GHz
101 (58%)
Intel Celeron 3955U Intel Celeron 3955U
Intel HD Graphics 510 @ 0.90 GHz
173 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i3-3240 Intel Core i3-3240
2C 4T @ 3.40 GHz
2322 (100%)
Intel Celeron 3955U Intel Celeron 3955U
2C 2T @ 2.00 GHz
1488 (64%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i3-3240 Intel Core i3-3240
2C 4T @ 3.40 GHz
119 (100%)
Intel Celeron 3955U Intel Celeron 3955U
2C 2T @ 2.00 GHz
85 (71%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i3-3240 Intel Core i3-3240
2C 4T @ 3.40 GHz
306 (100%)
Intel Celeron 3955U Intel Celeron 3955U
2C 2T @ 2.00 GHz
159 (52%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i3-3240 Intel Core i3-3240
2C 4T @ 3.40 GHz
286 (100%)
Intel Celeron 3955U Intel Celeron 3955U
2C 2T @ 2.00 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i3-3240 Intel Core i3-3240
2C 4T @ 3.40 GHz
835 (100%)
Intel Celeron 3955U Intel Celeron 3955U
2C 2T @ 2.00 GHz
0 (0%)

Devices using this processor
Intel Core i3-3240 Intel Celeron 3955U
Unknown Unknown

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