Ryzen 9 7945HX vs Pentium 977
Aggregate performance score
Ryzen 9 7945HX outperforms Pentium 977 by a whopping 4679% based on our aggregate benchmark results.
Primary details
Comparing Pentium 977 and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2684 | 110 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Pentium | no data |
| Power efficiency | 4.01 | 59.21 |
| Architecture codename | Sandy Bridge (2011−2013) | Dragon Range-HX (Zen 4) (2023−2024) |
| Release date | 1 January 2012 (12 years ago) | 4 January 2023 (1 year ago) |
| Launch price (MSRP) | $134 | no data |
Detailed specifications
Pentium 977 and Ryzen 9 7945HX 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) | 16 (Hexadeca-Core) |
| Threads | 2 | 32 |
| Base clock speed | 1.4 GHz | 2.5 GHz |
| Boost clock speed | 1.4 GHz | 5.4 GHz |
| Bus type | DMI 2.0 | no data |
| Bus rate | 4 × 5 GT/s | no data |
| Multiplier | 14 | no data |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 256K (per core) | 1 MB (per core) |
| L3 cache | 2 MB (shared) | 64 MB (shared) |
| Chip lithography | 32 nm | CCD = 5 nm, I/O = 6 nm |
| Die size | 131 mm2 | 2x 71 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Number of transistors | 504 million | 13,140 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Pentium 977 and Ryzen 9 7945HX 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 (Uniprocessor) | 1 |
| Socket | FCBGA1023 | FL1 |
| Power consumption (TDP) | 17 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 977 and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | - | + |
| FMA | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| My WiFi | - | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Demand Based Switching | - | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
| Precision Boost 2 | no data | + |
Security technologies
Pentium 977 and Ryzen 9 7945HX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium 977 and Ryzen 9 7945HX are enumerated here.
| AMD-V | - | + |
| VT-d | - | no data |
| VT-x | - | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 977 and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
| Maximum memory size | 16.38 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21.335 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel HD Graphics for 2nd Generation Intel Processors | AMD Radeon 610M (400 - 2200 MHz) |
| Graphics max frequency | 1 GHz | no data |
Graphics interfaces
Available interfaces and connections of Pentium 977 and Ryzen 9 7945HX integrated GPUs.
| Number of displays supported | 2 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| SDVO | + | no data |
| CRT | + | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium 977 and Ryzen 9 7945HX.
| PCIe version | 2.0 | 5.0 |
| PCI Express lanes | 16 | 28 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
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.
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.
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.
Cinebench 11.5 64-bit multi-core
Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.
Cinebench 11.5 64-bit single-core
Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.
TrueCrypt AES
TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.
WinRAR 4.0
WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.
Pros & cons summary
| Performance score | 0.72 | 34.41 |
| Integrated graphics card | 0.77 | 2.85 |
| Recency | 1 January 2012 | 4 January 2023 |
| Physical cores | 2 | 16 |
| Threads | 2 | 32 |
| Power consumption (TDP) | 17 Watt | 55 Watt |
Pentium 977 has 223.5% lower power consumption.
Ryzen 9 7945HX, on the other hand, has a 4679.2% higher aggregate performance score, 270.1% faster integrated GPU, an age advantage of 11 years, and 700% more physical cores and 1500% more threads.
The Ryzen 9 7945HX is our recommended choice as it beats the Pentium 977 in performance tests.
Should you still have questions on choice between Pentium 977 and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.
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