Note: The information shown below is based on a pre-sample. Technical details or benchmark results may be different in the final version of this processor.

Intel Core i7-3840QM vs. Intel Atom x6427FE

CPU comparison with benchmarks


Intel Core i7-3840QM CPU1 vs CPU2 Intel Atom x6427FE
Intel Core i7-3840QM Intel Atom x6427FE
2.80 GHz Frequency 1.90 GHz
3.80 GHz Turbo (1 Core)
Turbo (All Cores)
4 Cores 4
Yes Hyperthreading No
Yes Overclocking ? No
normal Core architecture normal
Intel HD Graphics 4000 GPU Intel UHD Graphics 32 EUs (Elkhart Lake)
0.65 GHz GPU frequency 0.40 GHz
1.30 GHz GPU (Turbo)
7 GPU Generation 11
22 nm Technology 10 nm
11.0 DirectX Version 12
3 Max. displays 3
16 Execution units 32
128 Shader 256
Max. GPU Memory
Decode / Encode Codec h264 Decode / Encode
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec VP8 Decode / Encode
No Codec VP9 Decode / Encode
No Codec AV1 No
Decode Codec VC-1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode Codec JPEG Decode / Encode
Sandy Bridge Architecture Elkhart Lake
DDR3-1333, DDR3-1600, DDR3L-1333 SO-DIMM, DDR3L-1600 SO-DIMM Memory DDR4-3200, LPDDR4X-4266
2 Memory channels 4
32 GB Max. Memory 64 GB
No ECC No
L2 Cache 1.50 MB
8.00 MB L3 Cache
3.0 PCIe version 3.0
16 PCIe lanes 8
22 nm Technology 10 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
PGA 988 Socket BGA 1296
45W TDP (PL1) 12W
Yes AES-NI Yes
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Q3/2012 Release date Q1/2021
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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 i7-3840QM Intel Core i7-3840QM
Intel HD Graphics 4000 @ 1.30 GHz
333 (100%)
Amazon
Intel Atom x6427FE Intel Atom x6427FE
Intel UHD Graphics 32 EUs (Elkhart Lake) @ 0.40 GHz
215 (65%)
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Devices using this processorDevices using this processor

Intel Core i7-3840QM Intel Atom x6427FE
Unknown Unknown

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