Performance per price, higher is better.
Intel Core 2 Quad Q9450 vs AMD Athlon II X4 635
Price now
50$
Games supported
73%
- Interface
- Core clock speed
- Max video memory
- Memory type
- Memory clock speed
- Maximum resolution
- Interface
- Core clock speed
- Max video memory
- Memory type
- Memory clock speed
- Maximum resolution
Price now
69$
Games supported
73%
General info
Comparing Athlon II X4 635 and Core 2 Quad Q9450 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance rating | 1870 | 1877 |
| Value for money | 2.86 | 1.29 |
| Market segment | Desktop processor | Desktop processor |
| Architecture codename | Propus (2009−2011) | Yorkfield (2007−2009) |
| Release date | 25 January 2010 (13 years old) | March 2008 (15 years old) |
| Launch price (MSRP) | $70 | no data |
| Current price | $50 (0.7x MSRP) | $69 |
Value for money
Technical specs
Athlon II X4 635 and Core 2 Quad Q9450 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) | 4 (Quad-Core) |
| Threads | 4 | 4 |
| Base clock speed | 2.9 GHz | 2.66 GHz |
| Boost clock speed | 2.9 GHz | 2.67 GHz |
| L1 cache | 128 KB (per core) | 64K (per core) |
| L2 cache | 512 KB (per core) | 12 MB (shared) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 45 nm | 45 nm |
| Die size | 169 mm2 | 2x 107 mm2 |
| Maximum core temperature | no data | 71 °C |
| Maximum case temperature (TCase) | no data | 71 °C |
| Number of transistors | 300 million | 820 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | no data | - |
| VID voltage range | no data | 0.85V-1.3625V |
Compatibility
Information on Athlon II X4 635 and Core 2 Quad Q9450 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 | AM3 | LGA775 |
| Thermal design power (TDP) | 95 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 635 and Core 2 Quad Q9450. You'll probably need this information if you require some particular technology.
| AES-NI | no data | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | no data | + |
| Demand Based Switching | no data | - |
| FSB parity | no data | + |
Security technologies
Athlon II X4 635 and Core 2 Quad Q9450 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 635 and Core 2 Quad Q9450 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X4 635 and Core 2 Quad Q9450. Depending on the motherboards, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2, DDR3 |
Peripherals
Specifications and connection of peripherals supported by Athlon II X4 635 and Core 2 Quad Q9450.
| PCIe version | 2.0 | no data |
Benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Overall 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
- GeekBench 5 Single-Core
- GeekBench 5 Multi-Core
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: 67%
Athlon II X4 635 outperforms Core 2 Quad Q9450 by 1% 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: 37%
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: 37%
Athlon II X4 635 outperforms Core 2 Quad Q9450 by 16% in GeekBench 5 Multi-Core.
Mining hashrates
Cryptocurrency mining performance of Athlon II X4 635 and Core 2 Quad Q9450. Usually measured in megahashes per second.
| Monero / XMR (CryptoNight) | no data | 0.08 kh/s |
Advantages and disadvantages
| Performance rating | 1.72 | 1.71 |
| Boost clock speed | 2900 | 2666 |
Technical City couldn't decide between
and
The differences in performance seem too small.
Should you still have questions on choice between Athlon II X4 635 and Core 2 Quad Q9450, ask them in Comments section, and we shall answer.
Competitors of Athlon II X4 635 by Intel
We believe that the nearest equivalent to Athlon II X4 635 from Intel is Celeron G3900, which is nearly equal in speed and lower by 1 position in our rating.
Here are some closest Intel rivals to Athlon II X4 635:
Competitors of Core 2 Quad Q9450 by AMD
We believe that the nearest equivalent to Core 2 Quad Q9450 by AMD is FirePro A320, which is nearly equal in speed and higher by 1 position in our rating.
Here are some closest AMD rivals to Core 2 Quad Q9450:
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.
