A6-4455M vs Core 2 Duo T6400
Primary details
Comparing Core 2 Duo T6400 and A6-4455M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 2767 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core 2 Duo | AMD A-Series |
| Architecture codename | Penryn (2008−2011) | Trinity (2012−2013) |
| Release date | 1 January 2009 (15 years ago) | 15 May 2012 (12 years ago) |
| Current price | $33 | $449 |
Detailed specifications
Core 2 Duo T6400 and A6-4455M 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 GHz | 2.1 GHz |
| Boost clock speed | 2 GHz | 2.6 GHz |
| Bus support | 800 MHz | no data |
| L1 cache | no data | 92 KB |
| L2 cache | 2 MB | 2 MB (shared) |
| L3 cache | 2 MB L2 Cache | 0 KB |
| Chip lithography | 45 nm | 32 nm |
| Die size | no data | 246 mm2 |
| Maximum core temperature | 105 °C | no data |
| Maximum case temperature (TCase) | no data | 100 °C |
| Number of transistors | no data | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
| VID voltage range | 1V-1.25V | no data |
Compatibility
Information on Core 2 Duo T6400 and A6-4455M 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 | no data | 1 |
| Socket | PGA478 | FP2 |
| Power consumption (TDP) | 35 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo T6400 and A6-4455M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | 86x SSE (1, 2, 3, 3S, 4.1, 4.2, 4A),-64, AES, AVX, FMA |
| AES-NI | no data | + |
| FMA | no data | + |
| AVX | no data | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Demand Based Switching | - | no data |
| Status | Discontinued | no data |
Security technologies
Core 2 Duo T6400 and A6-4455M 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 Core 2 Duo T6400 and A6-4455M are enumerated here.
| AMD-V | no data | + |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T6400 and A6-4455M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | unknown Dual-channel |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon HD 7500G |
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%
A6-4455M outperforms Core 2 Duo T6400 by 9% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 42%
Core 2 Duo T6400 outperforms A6-4455M by 5% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 42%
Core 2 Duo T6400 outperforms A6-4455M by 18% in GeekBench 5 Multi-Core.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Benchmark coverage: 20%
Core 2 Duo T6400 outperforms A6-4455M by 25% in Cinebench 10 32-bit single-core.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Benchmark coverage: 19%
Core 2 Duo T6400 outperforms A6-4455M by 54% in Cinebench 10 32-bit multi-core.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Benchmark coverage: 19%
Core 2 Duo T6400 outperforms A6-4455M by 30% in 3DMark06 CPU.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Benchmark coverage: 18%
A6-4455M outperforms Core 2 Duo T6400 by 57% in wPrime 32.
Pros & cons summary
| Recency | 1 January 2009 | 15 May 2012 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 35 Watt | 17 Watt |
We couldn't decide between Core 2 Duo T6400 and A6-4455M. We've got no test results to judge.
Should you still have questions on choice between Core 2 Duo T6400 and A6-4455M, ask them in Comments section, and we shall answer.
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