AMD Ryzen 7 3800XT vs Intel Core i3-12300 Comparison

The Intel Core i3-12300 and AMD Ryzen 7 3800XT represent two very different approaches to desktop computing: one is a modern, efficiency-focused quad-core from Intel’s 12th Gen family, while the other is an older, high-core-count Zen 2 part from AMD. The benchmark data shows a clear performance split, with the AMD chip dominating in multi-threaded workloads, while the Intel chip counters with superior single-threaded efficiency and a much lower launch price. Despite both landing at the exact same 55th percentile among all CPUs, their architectural philosophies and resulting performance profiles make them suitable for entirely different user priorities.

FAQ

Q: Which processor is faster in multi-core performance?

A: The AMD Ryzen 7 3800XT is overwhelmingly faster in multi-core workloads. In the Cinebench R15 multi-core test, the AMD chip scores 2230, which is 81.3% higher than the Intel Core i3-12300's score of 1230. The data shows a delta of -44.8% for the Intel chip in this head-to-head, indicating the AMD processor's 8-core/16-thread configuration crushes the Intel's 4-core/8-thread setup.

Q: How do the single-core scores compare?

A: The AMD Ryzen 7 3800XT also takes the lead in single-core performance, though by a much smaller margin. In Cinebench R15 single-core, the AMD scores 219 versus the Intel's 173, resulting in a 21% deficit for the Intel chip. This is notable because Intel's Alder Lake architecture is typically known for strong single-thread performance, but the higher 4.70 GHz boost clock on the AMD part gives it the edge here.

Q: What is the average benchmark score difference between the two?

A: The average benchmark scores are remarkably close. The Intel Core i3-12300 has an average score of 3532, while the AMD Ryzen 7 3800XT has an average of 3515. This is a difference of just 0.5%, placing both processors at the same 55th percentile among all CPUs. The Intel chip actually holds a slight edge in this aggregate metric.

Q: Which CPU has a higher launch MSRP?

A: The AMD Ryzen 7 3800XT has a significantly higher launch MSRP of $399, compared to the Intel Core i3-12300's launch MSRP of $143. This makes the Intel chip substantially more affordable at launch, though its performance in multi-threaded tasks is considerably lower.

Q: Does the Intel processor include integrated graphics?

A: Yes, the Intel Core i3-12300 includes UHD Graphics 730 as its integrated graphics solution. The AMD Ryzen 7 3800XT, in contrast, has no integrated graphics listed in the data, meaning it requires a discrete GPU to output video.

Q: Which chip offers more cache memory?

A: The AMD Ryzen 7 3800XT offers a larger L3 cache at 32 MB, while the Intel Core i3-12300 has 12 MB of shared L3 cache. However, the Intel chip has larger per-core L1 and L2 caches: 80 KB and 1.25 MB per core, respectively, versus 64 KB and 512 KB per core on the AMD.

Architecture Differences

The two processors are built on fundamentally different architectures and process nodes. The Intel Core i3-12300 is based on the Alder Lake-S architecture, using Intel's 10 nm process node, while the AMD Ryzen 7 3800XT is built on the Zen 2 architecture (codename Matisse 2) using TSMC's 7 nm process. This node advantage for AMD contributes to its transistor density, with the Ryzen 7 packing 3,800 million transistors on a 74 mm² die, whereas the Intel chip has a larger 163 mm² die with transistor count not listed.

Core configurations differ dramatically. The Intel i3-12300 has 4 cores and 8 threads, while the AMD Ryzen 7 3800XT has double the cores and threads at 8 and 16, respectively. This fundamental difference explains the multi-core performance gulf. Clock speeds also favor AMD: the Ryzen 7 has a 3.80 GHz base clock and 4.70 GHz boost clock, versus the Intel's 3.50 GHz base and 4.40 GHz boost. The AMD chip also has an unlocked multiplier, allowing overclocking, while the Intel part is locked.

Cache hierarchies reflect each design's philosophy. The Intel chip offers larger per-core caches (80 KB L1, 1.25 MB L2) but a smaller 12 MB shared L3. The AMD chip has smaller per-core caches (64 KB L1, 512 KB L2) but a much larger 32 MB L3 pool, which helps feed its 16 threads. Memory support also differs: the Intel chip supports both DDR4 and DDR5, while the AMD chip is limited to DDR4. The Ryzen 7 lists a memory bandwidth of 51.2 GB/s, while the Intel chip's bandwidth is not specified.

PCIe capabilities and sockets further separate the pair. The Intel Core i3-12300 uses the LGA 1700 socket and supports PCIe Gen 5 with 20 lanes (CPU only), while the AMD Ryzen 7 3800XT uses the AM4 socket and supports PCIe Gen 4. The Intel chip also includes integrated UHD Graphics 730, whereas the AMD chip has no integrated graphics. The Intel part has a TDP of 60 W, significantly lower than the AMD's 105 W TDP, highlighting the efficiency of Intel's newer architecture.

Head-to-Head Benchmarks

The head-to-head data provides only two Cinebench R15 comparisons, and in both, the AMD Ryzen 7 3800XT emerges victorious. The most striking result is in the multi-core test, where the AMD chip scores 2230 against the Intel's 1230. This is a 44.8% deficit for the Intel processor, a massive margin that underscores the advantage of having 8 physical cores versus 4. For heavily threaded workloads like video rendering, 3D modeling, or compilation, the Ryzen 7 3800XT is in a completely different performance class.

The single-core test tells a closer story but still favors AMD. The Ryzen 7 3800XT scores 219, while the Core i3-12300 scores 173, a 21% difference. While the gap is smaller, it is still substantial. This is somewhat surprising given Intel's reputation for strong single-threaded performance, but the AMD chip's higher 4.70 GHz boost clock likely compensates for architectural differences. For everyday tasks like web browsing, office applications, or light gaming that rely primarily on single-core speed, the AMD chip still holds a clear advantage according to this metric.

It's important to note that the broader benchmark picture is more nuanced. The Intel Core i3-12300 has an average benchmark score of 3532, which is actually slightly higher than the AMD's 3515. This suggests that in a wider range of tests beyond the two Cinebench R15 runs, the Intel chip is competitive, likely due to its strong single-threaded performance in other benchmarks. The AMD Ryzen 7 3800XT shows its strength in 3DMark tests, scoring 6307 in the 16-thread test and 6294 in the max-threads test, while also posting a Geekbench multi-core score of 8561. The Intel chip's benchmark suite includes Cinebench R20 and R23 scores, where it achieves 5128 and 12211 in multi-core, respectively, and 724 and 1724 in single-core.

Specification Differences

The specification sheets for these two CPUs show stark contrasts across nearly every major category. The core and thread counts differ by a factor of two: the Intel i3-12300 has 4 cores/8 threads, while the AMD Ryzen 7 3800XT has 8 cores/16 threads. Clock speeds favor AMD, with a 3.80 GHz base and 4.70 GHz boost compared to Intel's 3.50 GHz base and 4.40 GHz boost. The TDP also differs significantly, with the Intel chip rated at 60 W versus AMD's 105 W.

Cache configurations vary in both size and allocation. The Intel chip has 80 KB of L1 cache per core and 1.25 MB of L2 per core, while the AMD chip has 64 KB of L1 and 512 KB of L2 per core. In L3 cache, the tables turn: AMD offers 32 MB, while Intel provides 12 MB shared. The process node also differs, with Intel on 10 nm and AMD on 7 nm, and the die sizes reflect this: 163 mm² for Intel versus 74 mm² for AMD.

Memory and expansion support present further divergences. The Intel i3-12300 supports both DDR4 and DDR5 memory, while the Ryzen 7 3800XT supports only DDR4. The AMD chip lists a memory bandwidth of 51.2 GB/s, while Intel does not specify a figure. PCIe capabilities differ as well: Intel supports Gen 5 with 20 lanes (CPU only), while AMD supports Gen 4. The Intel chip includes integrated UHD Graphics 730, whereas AMD has no integrated graphics. The sockets are incompatible, with Intel using LGA 1700 and AMD using AM4.

Other fields show differences in availability and features. The AMD Ryzen 7 3800XT has a release date of 2020-07-06, while the Intel chip's release date is not listed. The launch MSRP differs dramatically, with Intel at $143 and AMD at $399. The AMD chip has an unlocked multiplier, while the Intel chip does not. The part numbers also differ: SRL61 for Intel and 100-100000279WOF for AMD.

The Verdict

The data paints a clear picture for different use cases. The AMD Ryzen 7 3800XT is the definitive choice for anyone prioritizing multi-threaded performance. Its Cinebench R15 multi-core score of 2230 is 81.3% higher than the Intel's 1230, and its 8-core/16-thread configuration makes it suitable for content creation, video editing, and other heavily parallel workloads. The AMD chip also wins in single-core performance, posting a 21% higher Cinebench R15 single-core score. However, this performance comes at a cost, with a launch MSRP of $399 and a higher 105 W TDP.

The Intel Core i3-12300, despite losing both head-to-head benchmark tests, offers compelling advantages. Its average benchmark score of 3532 is marginally higher than AMD's 3515, indicating that in a broader test suite, the Intel chip is highly competitive. The Intel processor also features a much lower launch MSRP of $143, integrated UHD Graphics 730, support for both DDR4 and DDR5 memory, and PCIe Gen 5 connectivity. Its 60 W TDP makes it a far more energy-efficient option, and its Alder Lake architecture brings modern platform features.

For users building a budget-conscious system focused on general productivity, light gaming, or office tasks, the Intel Core i3-12300 provides excellent value with its low launch MSRP and integrated graphics. For professionals or enthusiasts who need maximum multi-threaded throughput and are willing to pay a premium, the AMD Ryzen 7 3800XT is the clear performance winner. The choice ultimately hinges on whether the user prioritizes raw multi-core power or platform efficiency and cost. The data shows both CPUs sit at the same 55th percentile, but they achieve that position through very different strengths.