CPU Comparison

The Intel Atom C5125 and AMD Ryzen 7 1700X represent two divergent approaches to eight-core processing, one built for efficiency in a server socket and the other for high-throughput desktop computing. While both chips land at the 46th percentile among all CPUs, their benchmark results reveal starkly different performance profiles that go far beyond their similar average scores.

Head-to-Head Benchmarks

The data from Cinebench R15 shows a decisive victory for the AMD Ryzen 7 1700X in every measured category. In the multicore test, the Ryzen 7 1700X scores 1537 points against the Atom C5125's 739 points, a 51.9% deficit for the Intel part. This is not a marginal gap; the AMD processor delivers more than double the rendering throughput, a result of its 16 threads versus the Atom's 8 threads. The single-core test tells a similar story, with the Ryzen 7 1700X scoring 154 points compared to the Atom's 104 points, a 32.5% lead for AMD. This single-thread advantage is particularly telling because it isolates raw architectural efficiency per core, where the older Zen design still outperforms the Tremont-based Atom by a wide margin.

Looking at the absolute scores, the Ryzen 7 1700X's Cinebench R15 multicore result of 1537 places it in a different performance class entirely. The Atom C5125's 739 points, while respectable for its power envelope, falls far short of what the AMD chip achieves. The single-core comparison is equally lopsided: 154 vs 104 points means the Ryzen 7 1700X completes single-threaded tasks roughly half again as fast as the Atom C5125. These are the only head-to-head benchmarks available, but they establish a clear hierarchy.

The average benchmark scores tell a more nuanced story when placed in context. The Atom C5125 averages 2122 points across its full benchmark suite, while the Ryzen 7 1700X averages 2094 points. This near-parity in average performance is misleading, however, because the two CPUs were tested on different benchmark sets. The Atom's average includes Cinebench R20 and R23 results (3081 and 7336 multicore respectively) which are not present in the Ryzen 7 1700X's data, which includes Geekbench scores instead. The head-to-head data is unambiguous: where both chips were tested on the same workload, the Ryzen 7 1700X wins decisively.

Where Each One Wins

The Ryzen 7 1700X is the clear winner in raw computational throughput. Its 16 threads give it a massive advantage in heavily threaded workloads like video rendering, 3D modeling, and scientific computing. The Cinebench R15 multicore score of 1537 demonstrates this capability, and the 51.9% lead over the Atom C5125 shows that applications designed to use many threads will see substantial performance gains. The single-core advantage of 32.5% also makes the Ryzen 7 1700X the better choice for lightly threaded applications like older games, productivity software, and general desktop responsiveness.

The Atom C5125, by contrast, wins in power efficiency and platform suitability. Its 50W TDP is less than half the Ryzen 7 1700X's 95W TDP, making it far better suited for dense server deployments where thermal output and energy consumption are critical constraints. The Atom's Parker Ridge platform, built on a 10nm process, delivers its performance at a fraction of the power cost. While it loses every benchmark comparison, the Atom C5125's 739-point multicore score still represents useful throughput for its intended server/workstation market segment, especially in scenarios where many low-power nodes are preferred over fewer high-power ones.

For desktop users, the choice is obvious: the Ryzen 7 1700X wins on every measurable performance metric. For server operators prioritizing density and power efficiency over absolute performance, the Atom C5125 offers a compelling alternative, particularly given its active production status and ECC memory support. The Ryzen 7 1700X also supports ECC memory, so that feature does not differentiate the two.

FAQ

Q: Which CPU has a higher single-core score in Cinebench R15?

A: The AMD Ryzen 7 1700X scores 154 points compared to the Intel Atom C5125's 104 points, giving AMD a 32.5% advantage in single-threaded performance.

Q: How much faster is the Ryzen 7 1700X in multicore rendering?

A: The Ryzen 7 1700X scores 1537 points versus 739 points for the Atom C5125 in Cinebench R15 multicore, a 51.9% performance lead for AMD.

Q: Do both processors support ECC memory?

A: Yes, both the Intel Atom C5125 and the AMD Ryzen 7 1700X list ECC memory support as a feature, though they use different platforms (Intel BGA 2106 vs AMD Socket AM4).

Q: What is the average benchmark score for each CPU?

A: The Intel Atom C5125 has an average benchmark score of 2122, while the AMD Ryzen 7 1700X averages 2094 points. Both CPUs sit at the 46th percentile among all processors.

Q: Which CPU has more threads?

A: The AMD Ryzen 7 1700X has 16 threads across 8 cores, while the Intel Atom C5125 has 8 threads across 8 cores. This gives AMD a 2:1 thread advantage.

Q: What is the power consumption difference between the two chips?

A: The Intel Atom C5125 has a TDP of 50W, while the AMD Ryzen 7 1700X has a TDP of 95W. The Atom C5125 consumes substantially less power.

Specification Differences

The two processors differ in nearly every specification category. The Intel Atom C5125 has a base clock of 2.80 GHz with no boost clock, while the AMD Ryzen 7 1700X starts at 3.40 GHz and boosts to 3.80 GHz. Thread counts differ significantly: 8 threads for Intel versus 16 threads for AMD. The Atom C5125 uses the Intel BGA 2106 socket, while the Ryzen 7 1700X uses AMD Socket AM4. The Intel part has a 50W TDP, while the AMD part draws 95W.

Memory bandwidth also differs, with the Atom C5125 supporting 46.9 GB/s versus 42.7 GB/s for the Ryzen 7 1700X. Cache configurations are completely different: the Atom C5125 has 64 KB of L1 per core and 4.5 MB of L2 per module with no L3 cache, while the Ryzen 7 1700X has 96 KB of L1 per core, 512 KB of L2 per core, and 16 MB of shared L3. The Intel processor lacks an integrated GPU, while the AMD chip lists no integrated graphics either. The Atom C5125 has a launch MSRP of $335, while the Ryzen 7 1700X launched at $399. The Atom C5125's multiplier is locked, while the Ryzen 7 1700X has an unlocked multiplier. Finally, the Atom C5125 was released on June 5, 2022, while the Ryzen 7 1700X was released on March 1, 2017.

Architecture Differences

The architectural divide between these CPUs is fundamental. Intel's Atom C5125 uses the Tremont microarchitecture, part of the Parker Ridge platform, built on a 10nm process at Intel's own foundry. AMD's Ryzen 7 1700X uses the original Zen architecture, codenamed Summit Ridge, manufactured on a 14nm process at GlobalFoundries. The Atom C5125 is a single-generation Atom product, while the Ryzen 7 1700X belongs to AMD's 1000 series of desktop processors.

The transistor counts and die sizes reflect their different design philosophies. The Ryzen 7 1700X packs 4,800 million transistors into a 213 mm² die, while the Atom C5125 does not disclose these figures. Cache architecture differs dramatically: Intel's design uses a per-module L2 configuration, while AMD uses a per-core L2 with a large shared L3 pool. Both support DDR4 memory in dual-channel mode, but the Intel part achieves higher memory bandwidth at 46.9 GB/s versus 42.7 GB/s for AMD. Both use PCIe Gen 3 with 16 CPU lanes, providing identical expansion capability.

The Atom C5125's design prioritizes low power consumption and server efficiency, as evidenced by its 50W TDP and lack of boost clocks. The Ryzen 7 1700X, by contrast, is a high-power desktop part with aggressive clock speeds and an unlocked multiplier for overclocking. The production status for both is listed as Active, indicating both remain in current production despite the Ryzen 7 1700X's older 2017 release date. The Atom C5125's 2022 release date makes it the newer design, but the Zen architecture's superior IPC and threading still dominate benchmark results.