Intel Pentium 3805U vs Intel Pentium J2900

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CPU comparison with benchmarks


Intel Pentium 3805U CPU1 vs CPU2 Intel Pentium J2900
Intel Pentium 3805U Intel Pentium J2900

CPU comparison

Intel Pentium 3805U or Intel Pentium J2900 - 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 Pentium 3805U has 2 cores with 2 threads and clocks with a maximum frequency of 1.90 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Pentium 3805U was released in Q1/2015.

The Intel Pentium J2900 has 4 cores with 4 threads and clocks with a maximum frequency of 2.67 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Intel Pentium J2900 was released in Q4/2013.
Intel Pentium (150) Family Intel Pentium (150)
Intel Pentium 3000 (8) CPU group Intel Pentium J2000/N3500 (6)
4 Generation 6
Haswell U Architecture Bay Trail
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Pentium 3805U has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Pentium 3805U is 1.90 GHz while the Intel Pentium J2900 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Pentium J2900 is at 2.41 GHz (2.67 GHz).

Intel Pentium 3805U Characteristic Intel Pentium J2900
2 Cores 4
2 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
1.90 GHz Frequency 2.41 GHz
-- Turbo Frequency (1 Core) 2.67 GHz
-- Turbo Frequency (All Cores) 2.67 GHz

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 Pentium 3805U Characteristic Intel Pentium J2900
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Pentium 3805U or Intel Pentium J2900 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 (Broadwell GT1) GPU Intel HD Graphics (Bay Trail GT1)
0.10 GHz GPU frequency 0.69 GHz
0.80 GHz GPU (Turbo) 0.90 GHz
8 GPU Generation 7
14 nm Technology 22 nm
3 Max. displays 2
12 Compute units 4
96 Shader 32
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
11.2 DirectX Version 11.2

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 (Broadwell GT1) GPU Intel HD Graphics (Bay Trail 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
Decode 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 Pentium 3805U can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 25.6 GB/s. The Intel Pentium J2900 supports up to 8 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

Intel Pentium 3805U Characteristic Intel Pentium J2900
DDR3-1600 Memory DDR3-1333
16 GB Max. Memory 8 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
2.00 MB L3 Cache 2.00 MB
2.0 PCIe version 2.0
12 PCIe lanes 4
6.0 GB/s PCIe Bandwidth 2.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Pentium 3805U is 15 W, while the Intel Pentium J2900 has a TDP of 10 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Pentium 3805U Characteristic Intel Pentium J2900
15 W TDP (PL1 / PBP) 10 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 105 °C

Technical details

The Intel Pentium 3805U is manufactured in 22 nm and has 2.00 MB cache. The Intel Pentium J2900 is manufactured in 22 nm and has a 2.00 MB cache.

Intel Pentium 3805U Characteristic Intel Pentium J2900
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 1168 Socket BGA 1170
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Yes AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2015 Release date Q4/2013
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
⌀ Multi core performance in 4 CPU benchmarks

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 Pentium 3805U Intel Pentium 3805U
2C 2T @ 1.90 GHz
451 (100%)
Intel Pentium J2900 Intel Pentium J2900
4C 4T @ 2.67 GHz
240 (53%)

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 Pentium 3805U Intel Pentium 3805U
2C 2T @ 1.90 GHz
878 (100%)
Intel Pentium J2900 Intel Pentium J2900
4C 4T @ 2.67 GHz
765 (87%)

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 Pentium 3805U Intel Pentium 3805U
2C 2T @ 1.90 GHz
379 (100%)
Intel Pentium J2900 Intel Pentium J2900
4C 4T @ 2.67 GHz
195 (51%)

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 Pentium 3805U Intel Pentium 3805U
2C 2T @ 1.90 GHz
655 (100%)
Intel Pentium J2900 Intel Pentium J2900
4C 4T @ 2.67 GHz
576 (88%)

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 Pentium 3805U Intel Pentium 3805U
Intel HD Graphics (Broadwell GT1) @ 0.80 GHz
154 (100%)
Intel Pentium J2900 Intel Pentium J2900
Intel HD Graphics (Bay Trail GT1) @ 0.90 GHz
57 (37%)

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 Pentium 3805U Intel Pentium 3805U
2C 2T @ 1.90 GHz
1156 (93%)
Intel Pentium J2900 Intel Pentium J2900
4C 4T @ 2.67 GHz
1240 (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 Pentium 3805U Intel Pentium 3805U
2C 2T @ 1.90 GHz
77 (100%)
Intel Pentium J2900 Intel Pentium J2900
4C 4T @ 2.67 GHz
44 (57%)

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 Pentium 3805U Intel Pentium 3805U
2C 2T @ 1.90 GHz
148 (92%)
Intel Pentium J2900 Intel Pentium J2900
4C 4T @ 2.67 GHz
161 (100%)

Devices using this processor

Intel Pentium 3805U Intel Pentium J2900
Unknown Unknown

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