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.

 

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)