Celeron D 340 vs Athlon II X4 651K
Primary details
Comparing Athlon II X4 651K and Celeron D 340 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Architecture codename | Llano (2011−2012) | Prescott (2001−2005) |
| Release date | 14 November 2011 (12 years ago) | September 2004 (19 years ago) |
| Current price | $110 | $169 |
Detailed specifications
Athlon II X4 651K and Celeron D 340 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) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Base clock speed | 3 GHz | 2.93 GHz |
| Boost clock speed | 3 GHz | 2.93 GHz |
| L1 cache | 128 KB (per core) | 16 KB |
| L2 cache | 1 MB (per core) | 256 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 32 nm | 90 nm |
| Die size | 228 mm2 | 109 mm2 |
| Maximum core temperature | no data | 67 °C |
| Number of transistors | 1,178 million | 125 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
| VID voltage range | no data | 1.25V-1.4V |
Compatibility
Information on Athlon II X4 651K and Celeron D 340 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 | FM1 | PPGA478 |
| Power consumption (TDP) | 100 Watt | 73 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 651K and Celeron D 340. You'll probably need this information if you require some particular technology.
| AES-NI | no data | - |
| Enhanced SpeedStep (EIST) | no data | - |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | - |
| Demand Based Switching | no data | - |
| PAE | no data | 32 Bit |
| FSB parity | no data | - |
| Status | no data | Discontinued |
Security technologies
Athlon II X4 651K and Celeron D 340 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon II X4 651K and Celeron D 340 are enumerated here.
| AMD-V | + | no data |
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X4 651K and Celeron D 340. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2, DDR3 |
| ECC memory support | no data | - |
Pros & cons summary
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 32 nm | 90 nm |
| Power consumption (TDP) | 100 Watt | 73 Watt |
We couldn't decide between Athlon II X4 651K and Celeron D 340. We've got no test results to judge.
Should you still have questions on choice between Athlon II X4 651K and Celeron D 340, ask them in Comments section, and we shall answer.
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