Comparison of Intel Core i5-11400 and Intel Xeon E3-1271 v3

Attribute	Intel Core i5-11400 ×	Intel Xeon E3-1271 v3 ×
General Information
Brand	Intel	Intel
Series	Intel Core i5	Intel Xeon E3
Model	Intel Core i5-11400	Intel Xeon E3-1271 v3
CPU Cores and Base Frequency
CPU Cores	6	4
Frequency (GHz)	2.6	3.6
CPU Threads	12	8
Core architecture	normal	normal
Hyperthreading	+	+
Overclocking	-	-
Turbo (1 Core) (GHz)	4.4	4
Turbo (6 Cores) (GHz)	4.2	-
Encryption
AES-NI	+	+
Hardware codec support
JPEG	Decode / Encode	No
h264	Decode / Encode	No
h265 / HEVC (8 bit)	Decode / Encode	No
h265 / HEVC (10 bit)	Decode / Encode	No
VP8	Decode / Encode	No
AV1	Decode	No
VC-1	Decode	No
VP9	Decode / Encode	No
AVC	Decode / Encode	No
Internal Graphics
GPU name	Intel UHD Graphics 730	-
GPU frequency (GHz)	0.35	-
GPU (Turbo) (GHz)	1.3	-
Generation	12	-
DirectX Version	12	-
Execution units	24	-
Shader	192	-
Max. GPU Memory (GB)	64	-
Max. displays	3	-
GPU Release date (year)	2021	-
Memory And PCIe
Memory type	-	DDR3-1600DDR3L-1600 SO-DIMM
Max. Memory (GB)	128	32
PCIe lanes	20	16
PCIe version	4.0	3.0
ECC	-	+
Memory channels	2	2
Technical details
Release date (year)	2021	2014
Technology (Nm)	14	22
Socket	LGA 1200	LGA 1150
Virtualization	vt-d vt-x vt-x ept	vt-d vt-x vt-x ept
L3-Cache (MB)	12	8
L2-Cache (MB)	3	-
Architecture	Rocket Lake	Haswell
Instruction set (ISA)	x86-64 (64 bit)	x86-64 (64 bit)
Thermal Management
Temp junction max (°C)	100	-
TDP (PL2) (W)	154	-
TDP (PL1) (W)	65	80
Benchmarks
iGPU - FP32 Performance (Single-precision GFLOPS)	499	-
Geekbench 5, 64bit (Single-Core)	1,593	1,032
Geekbench 5, 64bit (Multi-Core)	7,863	3,861