Celeron J1800 vs Pentium G640
Primary details
Comparing Pentium G640 and Celeron J1800 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2444 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.45 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Celeron |
| Architecture codename | Sandy Bridge (2011−2013) | Bay Trail-D (2013) |
| Release date | 3 June 2012 (11 years ago) | 1 November 2013 (10 years ago) |
| Launch price (MSRP) | $179 | $72 |
| Current price | $61 (0.3x MSRP) | $253 (3.5x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium G640 and Celeron J1800 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 | 2 (Dual-core) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Base clock speed | 2.8 GHz | 2.41 GHz |
| Boost clock speed | 2.8 GHz | 2.58 GHz |
| L1 cache | 64 KB (per core) | 112 KB |
| L2 cache | 256 KB (per core) | 1 MB |
| L3 cache | 3 MB (shared) | 1 MB L2 Cache |
| Chip lithography | 32 nm | 22 nm |
| Die size | 131 mm2 | no data |
| Maximum core temperature | 69 °C | 105 °C |
| Number of transistors | 504 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Pentium G640 and Celeron J1800 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 | 1 |
| Socket | FCLGA1155 | FCBGA1170 |
| Power consumption (TDP) | 65 Watt | 10 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium G640 and Celeron J1800. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| AES-NI | + | - |
| AVX | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | no data |
| Thermal Monitoring | + | no data |
| Flex Memory Access | + | no data |
| SIPP | no data | - |
| PAE | no data | 36 Bit |
| FDI | + | - |
| Fast Memory Access | + | no data |
| Status | Discontinued | Discontinued |
| RST | no data | - |
Security technologies
Pentium G640 and Celeron J1800 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | + |
| Identity Protection | no data | - |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium G640 and Celeron J1800 are enumerated here.
| VT-d | - | - |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium G640 and Celeron J1800. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 32 GB | 8 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 17 GB/s | no data |
| ECC memory support | no data | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for 2nd Generation Intel® Processors | Intel® HD Graphics for Intel Atom® Processor Z3700 Series |
| Quick Sync Video | - | + |
| Graphics max frequency | 1.1 GHz | 792 MHz |
| InTru 3D | - | - |
Graphics interfaces
Available interfaces and connections of Pentium G640 and Celeron J1800 integrated GPUs.
| Number of displays supported | 2 | 2 |
Peripherals
Specifications and connection of peripherals supported by Pentium G640 and Celeron J1800.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | no data | 4 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
Pentium G640 outperforms Celeron J1800 by 137% in Passmark.
Pros & cons summary
| Recency | 3 June 2012 | 1 November 2013 |
| Cost | $179 | $72 |
| Chip lithography | 32 nm | 22 nm |
| Power consumption (TDP) | 65 Watt | 10 Watt |
We couldn't decide between Pentium G640 and Celeron J1800. We've got no test results to judge.
Note that Pentium G640 is a desktop processor while Celeron J1800 is a notebook one.
Should you still have questions on choice between Pentium G640 and Celeron J1800, ask them in Comments section, and we shall answer.
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