Intel Celeron U3405 vs Intel Pentium 977

Comparative analysis of Intel Celeron U3405 and Intel Pentium 977 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Celeron U3405

Intel Pentium 977

Differences

Reasons to consider the Intel Pentium 977

Around 11% higher maximum core temperature: 100 °C vs 90°C
2x more maximum memory size: 16.38 GB vs 8 GB
Around 6% lower typical power consumption: 17 Watt vs 18 Watt
Around 68% better performance in PassMark - CPU mark: 1148 vs 684

Specifications (specs)
Maximum core temperature	100 °C vs 90°C
Maximum memory size	16.38 GB vs 8 GB
Thermal Design Power (TDP)	17 Watt vs 18 Watt
Benchmarks
PassMark - CPU mark	1148 vs 684

Compare benchmarks

CPU 1: Intel Celeron U3405
CPU 2: Intel Pentium 977

PassMark - CPU mark

CPU 1

CPU 2

684

1148

Name	Intel Celeron U3405	Intel Pentium 977
PassMark - Single thread mark	0	0
PassMark - CPU mark	684	1148

Compare specifications (specs)

	Intel Celeron U3405	Intel Pentium 977
Essentials
Architecture codename	Arrandale	Sandy Bridge
Launch date	Q1'10	1 April 2012
Place in performance rating	3334	3331
Processor Number	U3405	977
Series	Legacy Intel® Celeron® Processor	Legacy Intel® Pentium® Processor
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	1.06 GHz	1.40 GHz
Bus Speed	2.5 GT/s DMI	5 GT/s DMI
Die size	81 mm2	131 mm
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	90°C	100 °C
Number of cores	2	2
Number of threads	2	2
Transistor count	382 million	504 million
L1 cache		128 KB
L2 cache		512 KB
L3 cache		2048 KB
Maximum frequency		1.4 GHz
Memory
Max memory channels	2	2
Maximum memory bandwidth	17.1 GB/s	21.3 GB/s
Maximum memory size	8 GB	16.38 GB
Supported memory types	DDR3 800/1066	DDR3 1066/1333
Graphics
Graphics base frequency	166 MHz	350 MHz
Graphics max dynamic frequency	500 MHz	1.00 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Processor graphics	Intel HD Graphics	Intel HD Graphics
Graphics max frequency		1 GHz
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Graphics interfaces
Number of displays supported	2	2
CRT
DisplayPort
eDP
HDMI
SDVO
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	BGA 34mmX28mm	31.0mm x 24.0mm (BGA1023)
Sockets supported	BGA1288	FCBGA1023
Thermal Design Power (TDP)	18 Watt	17 Watt
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	2.0	2.0
PCIe configurations	1x16, 2x8	1x16, 2x8, 1x8 2x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Anti-Theft technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	36-bit
Thermal Monitoring
4G WiMAX Wireless
Flexible Display interface (FDI)
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2
Intel® Demand Based Switching
Intel® My WiFi technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)