Intel Core i5-13450HX vs AMD Ryzen 9 7940HX
Intel Core i5-13450HX
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The Intel Core i5-13450HX is a fast mid-range mobile processor of the Raptor Lake series. Is was announced in early 2023. The CPU integrates 6 fast Raptor Cove performance cores (P-cores) with HyperThreading and 4 Gracemont efficiency cores without HyperThreading. The P-Cores clock between 2.4 GHz (base) up to 4.6 GHz (single core boost, all-core 4.5 GHz). The smaller E-Cores clock between 1.8 and 3.4 GHz. All cores can access the combined 20 MB L3 cache (compared to the 36 MB of the i9 models).
Compared to Alder Lake, Raptor Lake offers improved P-Cores (Raptor Cove micro-architecture) with bigger Caches and more E-Cores (same Gracemont micro-architecture). Furthermore, the chip supports faster DDR5 memory (up to 5600 MHz for the 13980HX, but only 4800 MHz for the i5).
Performance
While we have not tested a single system built around the 13450HX as of August 2023, we have tested several systems featuring the Core i5-12600K, a CPU with very similar specs (six P-cores mated to four E-cores, both running at insignificantly faster clock speeds than what the 13450HX has). Based on that, we expect the 13450HX to be 10% to 15% behind the Ryzen 7 7840HS and the Ryzen 9 7940HS, as far as multi-thread benchmark scores are concerned.
Your mileage may vary depending on how competent the system's cooling solution is and how high the CPU power limits are.
Power consumption
The chip's "minimum assured" power consumption sits at 45 W. Its Turbo power consumption is not supposed to go over 157 W and its "base" power consumption is supposed to be around 55 W. Most laptop makers will probably go for a value much higher than 55 W to extract as much performance out of the chip as possible.
The i5-13450HX is built with Intel's 4th generation 10 nm process marketed as Intel 7 for average, as of early 2023, energy efficiency.
AMD Ryzen 9 7940HX
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The AMD Ryzen 9 7940HX is a high-end notebook processor from the Dragon Range series with 16 cores and hyperthreading (SMT), which means it can process up to 32 threads simultaneously. The CPU uses the current Zen 4 architecture for the 16 cores and clocks these from 2.4 GHz (base clock) up to 5.2 GHz (single-core boost). The CPU offers 16 MB L2 cache and 64 MB L3 cache (i.e. a total of 80 MB cache). The 7940HX consists of three chiplets, two CCD clusters with 8 CPU cores each made with a 5nm node (71mm²) and one IO die on 6nm (122mm²), are all manufactured at TSMC's fabs.
The performance of the Ryzen 9 should be comparable to a Core i9-13900HX (24 hybrid cores, max 5.4 GHz) in the top range of mobile processors from 2024. AMD itself advertises a clear lead over the old Ryzen 9 6900HX (8 Zen 3 cores, 4.9 GHz), which can be explained by the additional cores, improved architecture and higher frequencies. Compared to the top model, the Ryzen 9 7945HX, the 7940HX is slightly lower clocked.
The chip also integrates 4x USB 3.2 Gen2 (10 Gbps) ports (no USB 4), 28 PCIe 5.0 lanes (for GPUs and SSDs), a dual-channel DDR5-5200 memory controller and a small AMD Radeon 610M graphics card (2CUs, 400 - 2200 MHz).
The R9 7940HX is specified with 55 watts TDP and can be configured up to 75 watts (cTDP).
| Model | Intel Core i5-13450HX | AMD Ryzen 9 7940HX | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Codename | Raptor Lake-HX | Dragon Range-HX (Zen 4) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Series | Intel Raptor Lake-HX | AMD Dragon Range (Zen 4, Ryzen 7X4X/8X4X) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Series: Dragon Range (Zen 4, Ryzen 7X4X/8X4X) Dragon Range-HX (Zen 4) |
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| Clock | 1800 - 4600 MHz | 2400 - 5200 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| L3 Cache | 20 MB | 64 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cores / Threads | 10 / 16 6 x 4.6 GHz Intel Raptor Cove P-Core 4 x 3.4 GHz Intel Gracemont E-Core | 16 / 32 16 x 5.2 GHz AMD Zen 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TDP | 55 Watt | 55 Watt | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Technology | 10 nm | 5 nm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Die Size | 257 mm2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| max. Temp. | 100 °C | 100 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Socket | BGA1964 | FL1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Features | DDR4-3200/DDR5-4800 RAM, PCIe 5, Thr. Director, DL Boost, GNA, MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, EIST, TM1, TM2, HT, Turbo, SST, AES-NI, RDRAND, RDSEED, SHA | DDR5-5200 RAM, PCIe 5, 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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| iGPU | Intel UHD Graphics Xe 16EUs (Tiger Lake-H) ( - 1450 MHz) | AMD Radeon 610M (400 - 2200 MHz) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Architecture | x86 | x86 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Announced | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Manufacturer | ark.intel.com | www.amd.com | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| L1 Cache | 1 MB | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| L2 Cache | 16 MB | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Transistors | 9900 Million |
Benchmarks
Average Benchmarks Intel Core i5-13450HX → 100% n=7
Average Benchmarks AMD Ryzen 9 7940HX → 128% n=7
- Average benchmark values for this graphics card* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation
