Intel Celeron 2955U vs Intel Core 2 Extreme X7800

Comparative analysis of Intel Celeron 2955U and Intel Core 2 Extreme X7800 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

Intel Celeron 2955U

Intel Core 2 Extreme X7800

Differences

Reasons to consider the Intel Celeron 2955U

CPU is newer: launch date 6 year(s) 2 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 65 nm
2.9x lower typical power consumption: 15 Watt vs 44 Watt

Launch date	1 October 2013 vs 17 July 2007
Manufacturing process technology	22 nm vs 65 nm
Thermal Design Power (TDP)	15 Watt vs 44 Watt

Reasons to consider the Intel Core 2 Extreme X7800

Around 86% higher clock speed: 2.6 GHz vs 1.4 GHz
8x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 38% better performance in PassMark - Single thread mark: 1077 vs 782
Around 29% better performance in PassMark - CPU mark: 1138 vs 881

Specifications (specs)
Maximum frequency	2.6 GHz vs 1.4 GHz
L2 cache	4096 KB vs 512 KB
Benchmarks
PassMark - Single thread mark	1077 vs 782
PassMark - CPU mark	1138 vs 881

Compare benchmarks

CPU 1: Intel Celeron 2955U
CPU 2: Intel Core 2 Extreme X7800

PassMark - Single thread mark

CPU 1

CPU 2

782

1077

PassMark - CPU mark

CPU 1

CPU 2

881

1138

Name	Intel Celeron 2955U	Intel Core 2 Extreme X7800
PassMark - Single thread mark	782	1077
PassMark - CPU mark	881	1138
Geekbench 4 - Single Core	303
Geekbench 4 - Multi-Core	569
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	6.591
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	89.427
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.544
CompuBench 1.5 Desktop - Video Composition (Frames/s)	5.088
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.611
GFXBench 4.0 - Car Chase Offscreen (Frames)	543
GFXBench 4.0 - Manhattan (Frames)	1735
GFXBench 4.0 - T-Rex (Frames)	2943
GFXBench 4.0 - Car Chase Offscreen (Fps)	543
GFXBench 4.0 - Manhattan (Fps)	1735
GFXBench 4.0 - T-Rex (Fps)	2943

Compare specifications (specs)

	Intel Celeron 2955U	Intel Core 2 Extreme X7800
Essentials
Architecture codename	Haswell	Merom
Launch date	1 October 2013	17 July 2007
Place in performance rating	2183	2199
Processor Number	2955U	X7800
Series	Intel® Celeron® Processor 2000 Series	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$851
Performance
64 bit support
Base frequency	1.40 GHz	2.60 GHz
Bus Speed	5 GT/s DMI2	800 MHz FSB
Die size	118 mm	143 mm2
L1 cache	128 KB	128 KB
L2 cache	512 KB	4096 KB
L3 cache	2048 KB
Manufacturing process technology	22 nm	65 nm
Maximum case temperature (TCase)	105 °C
Maximum core temperature	100°C	100°C
Maximum frequency	1.4 GHz	2.6 GHz
Number of cores	2	2
Number of threads	2	2
Transistor count	1400 million	291 million
Front-side bus (FSB)		800 MHz
VID voltage range		1.100V-1.375V
Memory
Max memory channels	2
Maximum memory bandwidth	25.6 GB/s
Maximum memory size	16 GB
Supported memory types	DDR3L 1333/1600, LPDDR3 1333/1600
Graphics
Graphics base frequency	200 MHz
Graphics max dynamic frequency	1.00 GHz
Graphics max frequency	1 GHz
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics
Graphics interfaces
DisplayPort
eDP
HDMI
Number of displays supported	3
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Package Size	40mm x 24mm x 1.5mm	35mm x 35mm
Sockets supported	FCBGA1168	PPGA478
Thermal Design Power (TDP)	15 Watt	44 Watt
Peripherals
Integrated IDE
Integrated LAN
Max number of PCIe lanes	10
Max number of SATA 6 Gb/s Ports	2
Number of USB ports	4
PCI Express revision	2.0
PCI support
PCIe configurations	4x1, 1x4, 1x2
Total number of SATA ports	2
UART
USB revision	3.0
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
General-Purpose Input/Output (GPIO)
HD Audio
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® Active Management technology (AMT)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® ME Firmware Version	9.5
Intel® Rapid Storage technology (RST)
Intel® Smart Response technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Matrix Storage
Smart Connect
Thermal Monitoring
FSB parity
Intel® Demand Based Switching
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)