Intel Core i3-4330T vs Intel Atom E3815

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CPU comparison with benchmarks


Intel Core i3-4330T CPU1 vs CPU2 Intel Atom E3815
Intel Core i3-4330T Intel Atom E3815

CPU comparison

Intel Core i3-4330T or Intel Atom E3815 - 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 Core i3-4330T has 2 cores with 4 threads and clocks with a maximum frequency of 3.00 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i3-4330T was released in Q3/2013.

The Intel Atom E3815 has 1 cores with 1 threads and clocks with a maximum frequency of 1.46 GHz. The CPU supports up to 8 GB of memory in 1 memory channels. The Intel Atom E3815 was released in Q4/2013.
Intel Core i3 (205) Family Intel Atom (101)
Intel Core i 4000 (64) CPU group Intel Atom E3800 (6)
4 Generation 4
Haswell S Architecture Bay Trail
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i3-4330T has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i3-4330T is 3.00 GHz while the Intel Atom E3815 has 1 CPU cores and 1 threads can calculate simultaneously. The clock frequency of the Intel Atom E3815 is at 1.46 GHz.

Intel Core i3-4330T Characteristic Intel Atom E3815
2 Cores 1
4 Threads 1
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
3.00 GHz Frequency 1.46 GHz
-- Turbo Frequency (1 Core) --
-- 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 Core i3-4330T Characteristic Intel Atom E3815
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i3-4330T or Intel Atom E3815 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 4600 GPU Intel HD Graphics (Bay Trail GT1)
0.20 GHz GPU frequency 0.40 GHz
1.15 GHz GPU (Turbo) 0.40 GHz
7.5 GPU Generation 7
22 nm Technology 22 nm
3 Max. displays 2
20 Compute units 4
160 Shader 32
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
11.1 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 4600 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
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 Core i3-4330T can use up to 32 GB of memory in 2 memory channels. The maximum memory bandwidth is 25.6 GB/s. The Intel Atom E3815 supports up to 8 GB of memory in 1 memory channels and achieves a memory bandwidth of up to 8.6 GB/s.

Intel Core i3-4330T Characteristic Intel Atom E3815
DDR3-1600 Memory DDR3L-1066
32 GB Max. Memory 8 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
25.6 GB/s Max. Bandwidth 8.6 GB/s
Yes ECC No
-- L2 Cache --
4.00 MB L3 Cache 1.00 MB
3.0 PCIe version --
16 PCIe lanes --
15.8 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Core i3-4330T is 35 W, while the Intel Atom E3815 has a TDP of 5 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i3-4330T Characteristic Intel Atom E3815
35 W TDP (PL1 / PBP) 5 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core i3-4330T is manufactured in 22 nm and has 4.00 MB cache. The Intel Atom E3815 is manufactured in 22 nm and has a 1.00 MB cache.

Intel Core i3-4330T Characteristic Intel Atom E3815
22 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2
LGA 1150 Socket BGA 1170
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q3/2013 Release date Q4/2013
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core i3-4330T (100%)
Intel Atom E3815 (21%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core i3-4330T (100%)
Intel Atom E3815 (8%)

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 i3-4330T Intel Core i3-4330T
2C 4T @ 3.00 GHz
702 (100%)
Intel Atom E3815 Intel Atom E3815
1C 1T @ 1.46 GHz
147 (21%)

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 i3-4330T Intel Core i3-4330T
2C 4T @ 3.00 GHz
1550 (100%)
Intel Atom E3815 Intel Atom E3815
1C 1T @ 1.46 GHz
148 (10%)

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 i3-4330T Intel Core i3-4330T
Intel HD Graphics 4600 @ 1.15 GHz
368 (100%)
Intel Atom E3815 Intel Atom E3815
Intel HD Graphics (Bay Trail GT1) @ 0.40 GHz
26 (7%)

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 i3-4330T Intel Core i3-4330T
2C 4T @ 3.00 GHz
3075 (100%)
Intel Atom E3815 Intel Atom E3815
1C 1T @ 1.46 GHz
184 (6%)

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 i3-4330T Intel Core i3-4330T
2C 4T @ 3.00 GHz
115 (100%)
Intel Atom E3815 Intel Atom E3815
1C 1T @ 1.46 GHz
0 (0%)

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 i3-4330T Intel Core i3-4330T
2C 4T @ 3.00 GHz
297 (100%)
Intel Atom E3815 Intel Atom E3815
1C 1T @ 1.46 GHz
0 (0%)

Devices using this processor

Intel Core i3-4330T Intel Atom E3815
Unknown Unknown

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