Intel Atom D525 vs Intel Pentium D 840

Comparative analysis of Intel Atom D525 and Intel Pentium D 840 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the Intel Atom D525

  • CPU is newer: launch date 5 year(s) 1 month(s) later
  • Around 43% higher maximum core temperature: 100°C vs 69.8°C
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 90 nm
  • 4x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 10x lower typical power consumption: 13 Watt vs 130 Watt
Launch date 21 June 2010 vs May 2005
Maximum core temperature 100°C vs 69.8°C
Manufacturing process technology 45 nm vs 90 nm
L1 cache 112 KB vs 28 KB
Thermal Design Power (TDP) 13 Watt vs 130 Watt

Reasons to consider the Intel Pentium D 840

  • Around 78% higher clock speed: 3.2 GHz vs 1.8 GHz
  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 2.1x better performance in Geekbench 4 - Single Core: 186 vs 90
  • Around 25% better performance in Geekbench 4 - Multi-Core: 309 vs 247
Specifications (specs)
Maximum frequency 3.2 GHz vs 1.8 GHz
L2 cache 2048 KB vs 1024 KB
Max number of CPUs in a configuration 2 vs 1
Benchmarks
Geekbench 4 - Single Core 186 vs 90
Geekbench 4 - Multi-Core 309 vs 247

Compare benchmarks

CPU 1: Intel Atom D525
CPU 2: Intel Pentium D 840

Geekbench 4 - Single Core
CPU 1
CPU 2
90
186
Geekbench 4 - Multi-Core
CPU 1
CPU 2
247
309
Name Intel Atom D525 Intel Pentium D 840
PassMark - Single thread mark 304
PassMark - CPU mark 402
Geekbench 4 - Single Core 90 186
Geekbench 4 - Multi-Core 247 309

Compare specifications (specs)

Intel Atom D525 Intel Pentium D 840

Essentials

Architecture codename Pineview Smithfield
Launch date 21 June 2010 May 2005
Launch price (MSRP) $63
Place in performance rating 3286 3288
Processor Number D525 840
Series Legacy Intel Atom® Processors Legacy Intel® Pentium® Processor
Status Discontinued Discontinued
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 1.80 GHz 3.20 GHz
Bus Speed 2.5 GT/s DMI 800 MHz FSB
Die size 87 mm2 206 mm2
L1 cache 112 KB 28 KB
L2 cache 1024 KB 2048 KB
Manufacturing process technology 45 nm 90 nm
Maximum core temperature 100°C 69.8°C
Maximum frequency 1.8 GHz 3.2 GHz
Number of cores 2 2
Number of threads 4
Transistor count 176 million 230 million
VID voltage range 0.800V-1.175V 1.200V-1.400V

Memory

Max memory channels 1
Maximum memory bandwidth 6.4 GB/s
Maximum memory size 4 GB
Supported memory types DDR3 800 (SODIMM only); DDR2 667/800 DDR1, DDR2, DDR3

Graphics

Processor graphics Integrated

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 2
Package Size 22mm x 22mm 37.5mm x 37.5mm
Sockets supported FCBGA559 PLGA775
Thermal Design Power (TDP) 13 Watt 130 Watt

Security & Reliability

Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® SSE2, Intel® SSE3, Intel® SSSE3
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE) 32-bit 32-bit
Thermal Monitoring
FSB parity

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)