Intel Celeron 857 vs Intel Core 2 Duo T7100

Comparative analysis of Intel Celeron 857 and Intel Core 2 Duo T7100 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.

Intel Celeron 857

Intel Core 2 Duo T7100

Differences

Reasons to consider the Intel Celeron 857

CPU is newer: launch date 4 year(s) 1 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 65 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2.1x lower typical power consumption: 17 Watt vs 35 Watt

Launch date	July 2011 vs 9 May 2007
Manufacturing process technology	32 nm vs 65 nm
L1 cache	64 KB (per core) vs 64 KB
Thermal Design Power (TDP)	17 Watt vs 35 Watt

Reasons to consider the Intel Core 2 Duo T7100

Around 50% higher clock speed: 1.8 GHz vs 1.2 GHz
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 44% better performance in PassMark - Single thread mark: 685 vs 476
Around 5% better performance in PassMark - CPU mark: 599 vs 569

Specifications (specs)
Maximum frequency	1.8 GHz vs 1.2 GHz
L2 cache	2048 KB vs 256 KB (per core)
Benchmarks
PassMark - Single thread mark	685 vs 476
PassMark - CPU mark	599 vs 569

Compare benchmarks

CPU 1: Intel Celeron 857
CPU 2: Intel Core 2 Duo T7100

PassMark - Single thread mark

CPU 1

CPU 2

476

685

PassMark - CPU mark

CPU 1

CPU 2

569

599

Name	Intel Celeron 857	Intel Core 2 Duo T7100
PassMark - Single thread mark	476	685
PassMark - CPU mark	569	599
Geekbench 4 - Single Core		241
Geekbench 4 - Multi-Core		388

Compare specifications (specs)

	Intel Celeron 857	Intel Core 2 Duo T7100
Essentials
Architecture codename	Sandy Bridge	Merom
Launch date	July 2011	9 May 2007
Place in performance rating	3027	3044
Processor Number	857	T7100
Series	Legacy Intel® Celeron® Processor	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$197
Price now		$21.99
Value for money (0-100)		13.62
Performance
64 bit support
Base frequency	1.20 GHz	1.80 GHz
Bus Speed	5 GT/s DMI	800 MHz FSB
Die size	131 mm	143 mm2
L1 cache	64 KB (per core)	64 KB
L2 cache	256 KB (per core)	2048 KB
L3 cache	2048 KB (shared)
Manufacturing process technology	32 nm	65 nm
Maximum core temperature	100 °C	100°C
Maximum frequency	1.2 GHz	1.8 GHz
Number of cores	2	2
Number of threads	2	2
Transistor count	504 million	291 million
Front-side bus (FSB)		800 MHz
Memory
Max memory channels	2
Maximum memory bandwidth	21.3 GB/s
Maximum memory size	16 GB
Supported memory types	DDR3 1066/1333
Graphics
Graphics base frequency	350 MHz
Graphics max dynamic frequency	1.00 GHz
Graphics max frequency	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
Graphics interfaces
CRT
DisplayPort
eDP
HDMI
Number of displays supported	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)	35mm x 35mm
Sockets supported	Intel BGA1023	PPGA478, PBGA479
Thermal Design Power (TDP)	17 Watt	35 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	2.0
PCIe configurations	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 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
FSB parity
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)