Phenom II X2 N640 vs Pentium J2900
Aggregate performance score
Phenom II X2 N640 outperforms Pentium J2900 by a moderate 15% based on our aggregate benchmark results.
Primary details
Comparing Pentium J2900 and Phenom II X2 N640 processor market type (desktop or notebook), architecture, sales start time and price.
Place in the ranking | 2611 | 2523 |
Place by popularity | not in top-100 | not in top-100 |
Market segment | Laptop | Laptop |
Series | Intel Pentium | 2x AMD Phenom II |
Power efficiency | 7.48 | 2.45 |
Architecture codename | Bay Trail-D (2013) | Champlain (2010−2011) |
Release date | 1 November 2013 (11 years ago) | 1 October 2010 (14 years ago) |
Launch price (MSRP) | $94 | no data |
Detailed specifications
Pentium J2900 and Phenom II X2 N640 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
Physical cores | 4 (Quad-Core) | 2 (Dual-core) |
Threads | 4 | 2 |
Base clock speed | 2.41 GHz | no data |
Boost clock speed | 2.66 GHz | 2.9 GHz |
Bus rate | no data | 3600 MHz |
L1 cache | 224 KB | 256 KB |
L2 cache | 2 MB | 2 MB |
L3 cache | 2 MB L2 Cache | no data |
Chip lithography | 22 nm | 45 nm |
Maximum core temperature | 105 °C | no data |
64 bit support | + | + |
Windows 11 compatibility | - | - |
Compatibility
Information on Pentium J2900 and Phenom II X2 N640 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
Number of CPUs in a configuration | 1 | no data |
Socket | FCBGA1170 | S1 |
Power consumption (TDP) | 10 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium J2900 and Phenom II X2 N640. You'll probably need this information if you require some particular technology.
Instruction set extensions | no data | HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization |
VirusProtect | - | + |
Enhanced SpeedStep (EIST) | + | no data |
Turbo Boost Technology | - | no data |
Hyper-Threading Technology | - | no data |
Idle States | + | no data |
PAE | 36 Bit | no data |
FDI | - | no data |
RST | - | no data |
Security technologies
Pentium J2900 and Phenom II X2 N640 technologies aimed at improving security, for example, by protecting against hacks.
EDB | + | no data |
Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium J2900 and Phenom II X2 N640 are enumerated here.
VT-d | - | no data |
VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium J2900 and Phenom II X2 N640. Depending on the motherboard, higher memory frequencies may be supported.
Supported memory types | DDR3 | DDR3 |
Maximum memory size | 8 GB | no data |
Max memory channels | 2 | no data |
Maximum memory bandwidth | 21.3 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
Integrated graphics card | Intel® HD Graphics for Intel Atom® Processor Z3700 Series | no data |
Quick Sync Video | + | - |
Graphics max frequency | 896 MHz | no data |
Graphics interfaces
Available interfaces and connections of Pentium J2900 and Phenom II X2 N640 integrated GPUs.
Number of displays supported | 2 | no data |
Graphics API support
APIs supported by Pentium J2900 and Phenom II X2 N640 integrated GPUs, sometimes API versions are included.
DirectX | 11.2 | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium J2900 and Phenom II X2 N640.
PCIe version | 2.0 | no data |
PCI Express lanes | 4 | no data |
USB revision | 3.0 and 2.0 | no data |
Total number of SATA ports | 2 | no data |
Number of USB ports | 5 | no data |
Pros & cons summary
Performance score | 0.82 | 0.94 |
Recency | 1 November 2013 | 1 October 2010 |
Physical cores | 4 | 2 |
Threads | 4 | 2 |
Chip lithography | 22 nm | 45 nm |
Power consumption (TDP) | 10 Watt | 35 Watt |
Pentium J2900 has an age advantage of 3 years, 100% more physical cores and 100% more threads, a 104.5% more advanced lithography process, and 250% lower power consumption.
Phenom II X2 N640, on the other hand, has a 14.6% higher aggregate performance score.
The Phenom II X2 N640 is our recommended choice as it beats the Pentium J2900 in performance tests.
Should you still have questions on choice between Pentium J2900 and Phenom II X2 N640, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.