Intel Celeron N2840 vs Intel Celeron 2957U

Last updated:

CPU comparison with benchmarks


Intel Celeron N2840 CPU1 vs CPU2 Intel Celeron 2957U
Intel Celeron N2840 Intel Celeron 2957U

CPU comparison

Intel Celeron N2840 or Intel Celeron 2957U - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Celeron N2840 has 2 cores with 2 threads and clocks with a maximum frequency of 2.58 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Intel Celeron N2840 was released in Q2/2014.

The Intel Celeron 2957U has 2 cores with 2 threads and clocks with a maximum frequency of 1.40 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Celeron 2957U was released in Q4/2013.
Intel Celeron (165) Family Intel Celeron (165)
Intel Celeron J1000/N2000 (17) CPU group Intel Celeron 2000 (7)
6 Generation 4
Bay Trail Architecture Haswell U
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Celeron N2840 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Celeron N2840 is 2.16 GHz (2.58 GHz) while the Intel Celeron 2957U has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Celeron 2957U is at 1.40 GHz.

Intel Celeron N2840 Characteristic Intel Celeron 2957U
2 Cores 2
2 Threads 2
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
2.16 GHz Frequency 1.40 GHz
2.58 GHz Turbo Frequency (1 Core) --
2.58 GHz Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Celeron N2840 Characteristic Intel Celeron 2957U
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Celeron N2840 or Intel Celeron 2957U has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

Intel HD Graphics (Bay Trail GT1) GPU Intel HD Graphics (Haswell GT1)
0.31 GHz GPU frequency 0.20 GHz
0.79 GHz GPU (Turbo) 1.00 GHz
7 GPU Generation 7.5
22 nm Technology 22 nm
2 Max. displays 3
4 Compute units 10
32 Shader 80
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
11.2 DirectX Version 11.1

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 (Bay Trail GT1) GPU Intel HD Graphics (Haswell GT1)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode

Memory & PCIe

The Intel Celeron N2840 can use up to 8 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Celeron 2957U supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s.

Intel Celeron N2840 Characteristic Intel Celeron 2957U
DDR3-1333 Memory LPDDR3-1600, DDR3L-1600
8 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache --
1.00 MB L3 Cache 2.00 MB
2.0 PCIe version 2.0
4 PCIe lanes 10
2.0 GB/s PCIe Bandwidth 5.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Celeron N2840 is 7.5 W, while the Intel Celeron 2957U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Celeron N2840 Characteristic Intel Celeron 2957U
7.5 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
4.5 W TDP down --
100 °C Tjunction max. 100 °C

Technical details

The Intel Celeron N2840 is manufactured in 22 nm and has 1.00 MB cache. The Intel Celeron 2957U is manufactured in 22 nm and has a 2.00 MB cache.

Intel Celeron N2840 Characteristic Intel Celeron 2957U
22 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2
BGA 1170 Socket BGA 1168
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2014 Release date Q4/2013
107 $ Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Celeron N2840 to help other visitors make their purchasing decisions. The average rating is 1.0 stars (5 ratings). Rate now:
Here you can rate the Intel Celeron 2957U to help other visitors make their purchasing decisions. The average rating is 3.0 stars (2 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
Intel Celeron N2840 (75%)
Intel Celeron 2957U (100%)
⌀ Multi core performance in 5 CPU benchmarks
Intel Celeron N2840 (69%)
Intel Celeron 2957U (100%)

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 Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
251 (79%)
Intel Celeron 2957U Intel Celeron 2957U
2C 2T @ 1.40 GHz
317 (100%)

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 Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
460 (73%)
Intel Celeron 2957U Intel Celeron 2957U
2C 2T @ 1.40 GHz
632 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
194 (68%)
Intel Celeron 2957U Intel Celeron 2957U
2C 2T @ 1.40 GHz
284 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
335 (65%)
Intel Celeron 2957U Intel Celeron 2957U
2C 2T @ 1.40 GHz
515 (100%)

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 Celeron N2840 Intel Celeron N2840
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz
51 (32%)
Intel Celeron 2957U Intel Celeron 2957U
Intel HD Graphics (Haswell GT1) @ 1.00 GHz
160 (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 Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
584 (67%)
Intel Celeron 2957U Intel Celeron 2957U
2C 2T @ 1.40 GHz
866 (100%)

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 Celeron N2840 Intel Celeron N2840
2C 2T @ 2.16 GHz
184 (64%)
Intel Celeron 2957U Intel Celeron 2957U
2C 2T @ 1.40 GHz
288 (100%)

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 Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
42 (78%)
Intel Celeron 2957U Intel Celeron 2957U
2C 2T @ 1.40 GHz
54 (100%)

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 Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
81 (76%)
Intel Celeron 2957U Intel Celeron 2957U
2C 2T @ 1.40 GHz
106 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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 Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
0 (0%)
Intel Celeron 2957U Intel Celeron 2957U
2C 2T @ 1.40 GHz
114 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
0 (0%)
Intel Celeron 2957U Intel Celeron 2957U
2C 2T @ 1.40 GHz
205 (100%)

Devices using this processor

Intel Celeron N2840 Intel Celeron 2957U
Unknown Unknown

Popular comparisons containing this CPUs

1. Intel Atom Z3735FIntel Celeron N2840 Intel Atom Z3735F vs Intel Celeron N2840
2. Intel Celeron N2840Intel Celeron N3050 Intel Celeron N2840 vs Intel Celeron N3050
3. Intel Core i3-4030UIntel Celeron N2840 Intel Core i3-4030U vs Intel Celeron N2840
4. Intel Celeron N3060Intel Celeron N2840 Intel Celeron N3060 vs Intel Celeron N2840
5. Intel Pentium N3540Intel Celeron N2840 Intel Pentium N3540 vs Intel Celeron N2840
6. Intel Celeron N2840AMD E1-6010 Intel Celeron N2840 vs AMD E1-6010
7. Intel Celeron N2840Intel Celeron N2940 Intel Celeron N2840 vs Intel Celeron N2940
8. Intel Celeron 2957UIntel Core i3-4005U Intel Celeron 2957U vs Intel Core i3-4005U
9. Intel Core i3-4005UIntel Celeron N2840 Intel Core i3-4005U vs Intel Celeron N2840
10. Intel Celeron N2830Intel Celeron N2840 Intel Celeron N2830 vs Intel Celeron N2840


back to index