Intel Pentium 977 vs Intel Celeron B720

Comparative analysis of Intel Pentium 977 and Intel Celeron B720 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 Pentium 977

Intel Celeron B720

Differences

Reasons to consider the Intel Pentium 977

CPU is newer: launch date 3 month(s) later
1 more cores, run more applications at once: 2 vs 1
1 more threads: 2 vs 1
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 2% higher maximum memory size: 16.38 GB vs 16 GB
2.1x lower typical power consumption: 17 Watt vs 35 Watt
Around 41% better performance in PassMark - CPU mark: 1148 vs 814

Specifications (specs)
Launch date	1 April 2012 vs 1 January 2012
Number of cores	2 vs 1
Number of threads	2 vs 1
L1 cache	128 KB vs 64 KB (per core)
L2 cache	512 KB vs 256 KB (per core)
L3 cache	2048 KB vs 1.5 MB
Maximum memory size	16.38 GB vs 16 GB
Thermal Design Power (TDP)	17 Watt vs 35 Watt
Benchmarks
PassMark - CPU mark	1148 vs 814

Reasons to consider the Intel Celeron B720

Around 21% higher clock speed: 1.7 GHz vs 1.4 GHz

Maximum frequency	1.7 GHz vs 1.4 GHz

Compare benchmarks

CPU 1: Intel Pentium 977
CPU 2: Intel Celeron B720

PassMark - CPU mark

CPU 1

CPU 2

1148

814

Name	Intel Pentium 977	Intel Celeron B720
PassMark - Single thread mark	0	0
PassMark - CPU mark	1148	814

Compare specifications (specs)

	Intel Pentium 977	Intel Celeron B720
Essentials
Architecture codename	Sandy Bridge	Sandy Bridge
Launch date	1 April 2012	1 January 2012
Place in performance rating	3238	3239
Processor Number	977	B720
Series	Legacy Intel® Pentium® Processor	Legacy Intel® Celeron® Processor
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	1.40 GHz	1.70 GHz
Bus Speed	5 GT/s DMI	5 GT/s DMI
Die size	131 mm	131 mm
L1 cache	128 KB	64 KB (per core)
L2 cache	512 KB	256 KB (per core)
L3 cache	2048 KB	1.5 MB
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	100 °C	100 °C
Maximum frequency	1.4 GHz	1.7 GHz
Number of cores	2	1
Number of threads	2	1
Transistor count	504 million	504 million
Memory
Max memory channels	2	2
Maximum memory bandwidth	21.3 GB/s	21.3 GB/s
Maximum memory size	16.38 GB	16 GB
Supported memory types	DDR3 1066/1333	DDR3 1066/1333
Graphics
Graphics base frequency	350 MHz	650 MHz
Graphics max dynamic frequency	1.00 GHz	1.00 GHz
Graphics max frequency	1 GHz	1 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics	Intel HD Graphics
Graphics interfaces
CRT
DisplayPort
eDP
HDMI
Number of displays supported	2	2
SDVO
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	31.0mm x 24.0mm (BGA1023)	37.5mmx37.5mm (rPGA988B)
Sockets supported	FCBGA1023	PGA988
Thermal Design Power (TDP)	17 Watt	35 Watt
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	2.0	2.0
PCIe configurations	1x16, 2x8, 1x8 2x4	1x16, 2x8, 1x8 2x4
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)