Comparison of Intel Celeron 6305 and Intel Core i7-6660U

Attribute	Intel Celeron 6305 ×	Intel Core i7-6660U ×
General Information
Brand	Intel	Intel
Series	Intel Celeron	Intel Core i7
Model	Intel Celeron 6305	Intel Core i7-6660U
CPU Cores and Base Frequency
CPU Cores	2	2
Frequency (GHz)	1.8	2.4
CPU Threads	2	4
Core architecture	normal	normal
Hyperthreading	-	+
Overclocking	-	-
Turbo (1 Core) (GHz)	1.8	3.4
Turbo (2 Cores) (GHz)	1.8	-
Encryption
AES-NI	+	+
Hardware codec support
JPEG	Decode / Encode	Decode / Encode
h264	Decode / Encode	Decode / Encode
h265 / HEVC (8 bit)	Decode / Encode	Decode / Encode
h265 / HEVC (10 bit)	Decode / Encode	No
VP8	Decode	Decode / Encode
AV1	No	No
VC-1	Decode	Decode
VP9	Decode	No
AVC	Decode	Decode / Encode
Internal Graphics
GPU name	Intel UHD Graphics (Tiger Lake G4)	Intel Iris Graphics 540
GPU frequency (GHz)	0.3	0.3
GPU (Turbo) (GHz)	1.25	1.05
Generation	11	9
DirectX Version	12	12
Execution units	48	48
Shader	384	384
Max. GPU Memory (GB)	8	32
Max. displays	3	3
GPU Release date (year)	2020	2015
Memory And PCIe
Memory type	DDR4-3200LPDDR4-3733	DDR3L-1600 SO-DIMMDDR4-2133 SO-DIMMLPDDR3-1866
Max. Memory (GB)	64	32
PCIe lanes	16	12
PCIe version	4.0	3.0
ECC	-	-
Memory channels	2	2
Technical details
Release date (year)	2020	2016
Technology (Nm)	10	14
Socket	BGA 1526	BGA 1356
Virtualization	vt-d vt-x vt-x ept	vt-d vt-x vt-x ept
L3-Cache (MB)	4	4
Architecture	Tiger Lake UP3	Skylake-U
Instruction set (ISA)	x86-64 (64 bit)	x86-64 (64 bit)
Thermal Management
Temp junction max (°C)	100	100
TDP down (W)	-	9.5
TDP (PL1) (W)	15	15
Benchmarks
iGPU - FP32 Performance (Single-precision GFLOPS)	960	806