Comparison of Intel Atom E3845 and Intel Atom Z3775

Attribute	Intel Atom Z3775 ×	Intel Atom E3845 ×
General Information
Brand	Intel	Intel
Series	Intel Atom	Intel Atom
Model	Intel Atom Z3775	Intel Atom E3845
CPU Cores and Base Frequency
CPU Cores	4	4
Frequency (GHz)	1.46	1.91
CPU Threads	4	4
Core architecture	normal	normal
Hyperthreading	-	-
Overclocking	-	-
Turbo (1 Core) (GHz)	2.39	-
Encryption
AES-NI	+	-
Hardware codec support
JPEG	Decode	Decode
h264	Decode / Encode	Decode / Encode
h265 / HEVC (8 bit)	No	No
h265 / HEVC (10 bit)	No	No
VP8	No	No
AV1	No	No
VC-1	Decode	Decode
VP9	No	No
AVC	Decode / Encode	Decode / Encode
Internal Graphics
GPU name	Intel HD Graphics (Bay Trail GT1)	Intel HD Graphics (Bay Trail GT1)
GPU frequency (GHz)	0.31	0.54
GPU (Turbo) (GHz)	0.78	0.79
Generation	7	7
DirectX Version	11.2	11.2
Execution units	4	4
Shader	32	32
Max. GPU Memory (GB)	8	8
Max. displays	2	2
GPU Release date (year)	2013	2013
Memory And PCIe
Memory type	LPDDR3-1066	DDR3L-1333 SO-DIMM
Max. Memory (GB)	4	-
ECC	-	-
Memory channels	2	1
Technical details
Release date (year)	2014	2013
Technology (Nm)	22	22
Socket	BGA 1380	BGA 1170
Virtualization	vt-x	none
L3-Cache (MB)	2	2
Architecture	Bay Trail	Bay Trail
Instruction set (ISA)	x86-64 (64 bit)	x86-64 (64 bit)
Thermal Management
Temp junction max (°C)	90	-
TDP (PL1) (W)	3.5	10
Benchmarks
iGPU - FP32 Performance (Single-precision GFLOPS)	50	51
Estimated results for PassMark CPU Mark	1,279	1,714
Geekbench 3, 64bit (Single-Core)	968	884
Geekbench 3, 64bit (Multi-Core)	2,968	2,874