AMD Ryzen Embedded V3C48 vs Intel Core i9-7900X Comparison

# Where Each One Wins

The Intel Core i9-7900X wins every recorded benchmark in this comparison. Across all six head-to-head tests, the Intel part takes a consistent 2.9% to 3% lead over the AMD Ryzen Embedded V3C48. The Intel processor wins both multi-core and single-core tests in Cinebench R15, R20, and R23. Its largest margins appear in multi-core workloads, where it leads by 3% in R15, R20, and R23 alike. Single-core margins are nearly identical, with 2.9% advantages in R15 and R20, and a 3% edge in R23.

The AMD Ryzen Embedded V3C48 does not win any of the six recorded head-to-head benchmarks. However, its average benchmark score of 4967 places it just 3% behind the Intel chip's 5120 average. The AMD part also sits at the 59th percentile among all CPUs, only one point below the Intel processor's 60th percentile. This means the AMD part is not a clear loser in general compute performance; it trails by a narrow margin in every test, but it remains competitive.

For use-case selection, the Intel Core i9-7900X is the stronger choice for workloads where every bit of multi-threaded throughput matters, such as rendering, video encoding, or heavy compilation. Its 10 cores and 20 threads give it a structural advantage in parallel tasks. The AMD Ryzen Embedded V3C48, with 8 cores and 16 threads, is better suited for environments where the priority is low power consumption rather than peak performance, since it operates at a 45W TDP compared to Intel's 140W.

# Architecture Differences

The Intel Core i9-7900X uses the Skylake-X architecture on a 14nm process, fabricated by Intel. The AMD Ryzen Embedded V3C48 uses the Zen 3+ architecture, codenamed Rembrandt, on a 6nm process from TSMC. This process node difference is substantial: the AMD chip is built on a newer, denser manufacturing technology, which contributes to its much lower power envelope despite having fewer cores.

Core counts differ as well. The Intel part provides 10 cores and 20 threads, while the AMD part provides 8 cores and 16 threads. Cache configurations also diverge. Both share a 64KB L1 cache per core, but the Intel part has a 1MB L2 cache per core, whereas the AMD part has 512KB per core. L3 cache totals differ too: Intel offers 14MB shared, AMD offers 16MB shared. So the AMD chip has more L3 cache despite having fewer cores, which can help in certain data-reuse patterns.

Memory support is another major split. The Intel Core i9-7900X supports DDR4 memory over a quad-channel bus, delivering 85.3 GB/s of memory bandwidth. The AMD Ryzen Embedded V3C48 supports DDR5 memory over a dual-channel bus, delivering 76.8 GB/s. The Intel part has higher peak bandwidth, but the AMD part uses a newer memory standard. The AMD chip also supports ECC memory, while the Intel chip does not. This makes the AMD part more suitable for reliability-critical embedded or server-like deployments.

PCIe connectivity favors Intel in lane count but AMD in generation. The Intel part provides Gen 3 with 44 lanes (CPU only), while the AMD part provides Gen 4 with 20 lanes (CPU only). The AMD chip's newer PCIe generation offers higher per-lane bandwidth, but Intel's sheer lane count allows more expansion devices.

The Intel part is unlocked for overclocking, has a launch MSRP of $999, and is end-of-life. The AMD part is locked, has no recorded launch MSRP, and remains active in production. The Intel processor uses Intel Socket 2066, while the AMD processor uses AMD Socket FP7.

# Head-to-Head Benchmarks

The recorded data shows a consistent pattern: the Intel Core i9-7900X leads in every single test, but never by more than 3%. In Cinebench R15 multi-core, Intel scores 1782 against AMD's 1730, a 3% advantage. In R15 single-core, Intel scores 251 against AMD's 244, a 2.9% lead. These margins are small enough that they could be considered within run-to-run variance, but they appear across all six tests, which suggests a genuine, if modest, performance edge.

Cinebench R20 results follow the same trend. Intel's multi-core score of 7425 beats AMD's 7212 by 3%. In single-core, Intel's 1048 edges out AMD's 1018 by 2.9%. The delta percentages are nearly identical to the R15 results, indicating that the performance relationship between the two chips is stable across Cinebench versions.

Cinebench R23 shows the same story again. Intel's multi-core score of 17680 tops AMD's 17172 by 3%. Intel's single-core score of 2496 tops AMD's 2424 by 3%. This is the only benchmark pair where the single-core delta matches the multi-core delta exactly at 3%.

The Geekbench results are only recorded for the Intel part, not for the AMD part. Intel scores 8841 in multi-core and 1437 in single-core. Without AMD data, no direct comparison can be made from the database, but Intel's average benchmark score of 5120 versus AMD's 4967 gives a 3% overall gap, consistent with the Cinebench deltas.

It is notably the Intel part's nearest rivals include the AMD EPYC 7262 at 0.2% behind, the Intel Core i7-11850HE at 0.5% behind, the Intel Xeon W-2155 at 0.9% behind, and the AMD Ryzen 7 PRO 5750GE at 1% behind. The AMD part's nearest rivals include the Intel Core i5-12600HE at 0.3% ahead, the AMD Ryzen 7 4700G at 0.4% behind, the Intel Core i7-1375PRE at 0.4% ahead, and the Intel Xeon W-2150B at 0.5% ahead. These rival relationships show that both chips sit in a dense performance cluster, where small score differences separate many similar processors.

# FAQ

Q: Which processor has more cores and threads?

A: The Intel Core i9-7900X has 10 cores and 20 threads. The AMD Ryzen Embedded V3C48 has 8 cores and 16 threads.

Q: Does the AMD Ryzen Embedded V3C48 support ECC memory?

A: Yes, the AMD part supports ECC memory. The Intel Core i9-7900X does not support ECC memory.

Q: What is the memory bandwidth difference between the two?

A: The Intel Core i9-7900X provides 85.3 GB/s of memory bandwidth over quad-channel DDR4. The AMD Ryzen Embedded V3C48 provides 76.8 GB/s over dual-channel DDR5.

Q: Which processor has a higher single-core Cinebench R23 score?

A: The Intel Core i9-7900X scores 2496 in Cinebench R23 single-core, while the AMD Ryzen Embedded V3C48 scores 2424. Intel leads by 3%.

Q: Is the AMD Ryzen Embedded V3C48 still in production?

A: Yes, the AMD part has an active production status. The Intel Core i9-7900X is end-of-life.

Q: What are the TDP ratings for each chip?

A: The Intel Core i9-7900X has a 140W TDP. The AMD Ryzen Embedded V3C48 has a 45W TDP.

# Specification Differences

| Specification | Intel Core i9-7900X | AMD Ryzen Embedded V3C48 |

|----------------|---------------------|---------------------------|

| Cores | 10 | 8 |

| Threads | 20 | 16 |

| Base Clock | 3.30 GHz | 3.30 GHz |

| Boost Clock | 4.50 GHz | 3.80 GHz |

| TDP | 140W | 45W |

| Socket | Intel Socket 2066 | AMD Socket FP7 |

| Architecture | Skylake | Zen 3+ |

| Codename | Skylake-X | Rembrandt |

| Generation | Core i9 (X-Series 7th Gen) | Ryzen Embedded (Zen 3+ Rembrandt) |

| Process Node | 14 nm | 6 nm |

| Foundry | Intel | TSMC |

| L2 Cache | 1 MB (per core) | 512 KB (per core) |

| L3 Cache | 14 MB (shared) | 16 MB (shared) |

| Memory Support | DDR4 | DDR5 |

| Memory Bus | Quad-channel | Dual-channel |

| Memory Bandwidth | 85.3 GB/s | 76.8 GB/s |

| ECC Memory | No | Yes |

| PCIe | Gen 3, 44 Lanes (CPU only) | Gen 4, 20 Lanes (CPU only) |

| Production Status | End-of-life | Active |

| Release Date | 2017-06-25 | 2022-09-26 |

| Launch MSRP | $999 | Not recorded |

| Multiplier Unlocked | Yes | No |

| Part Number | SR3L2 | 100-000000817 |

# The Verdict

The data points to a clear performance winner: the Intel Core i9-7900X. It wins all six recorded head-to-head benchmarks, with deltas ranging from 2.9% to 3%. Its average benchmark score of 5120 sits 3% above the AMD part's 4967. If raw compute throughput is the only criterion, the Intel chip is the better choice.

The AMD Ryzen Embedded V3C48, however, offers advantages that the benchmark scores do not capture. Its 45W TDP is less than one-third of Intel's 140W, making it far more suitable for power-constrained environments. It supports ECC memory, which the Intel part does not. It uses DDR5 memory and PCIe Gen 4, both newer standards than Intel's DDR4 and PCIe Gen 3. It remains in active production, while the Intel part is end-of-life. It also has a locked multiplier, but that is a minor concern for embedded deployments.

The Intel Core i9-7900X is the pick for users who need maximum multi-threaded performance from this pair, especially in rendering or compute-heavy desktop workloads. Its 10 cores, 20 threads, higher boost clock of 4.50 GHz, and larger memory bandwidth of 85.3 GB/s give it the edge in throughput. Its unlocked multiplier also appeals to overclocking enthusiasts, though it carries a $999 launch MSRP.

The AMD Ryzen Embedded V3C48 is the pick for embedded systems or small-form-factor builds where power efficiency, ECC reliability, and a modern platform matter more than a 3% performance delta. Its 45W TDP, 16MB L3 cache, DDR5 support, and 20 PCIe Gen 4 lanes make it a compelling option for always-on or thermally constrained systems.

The recorded data shows a 3% performance gap in favor of Intel, but the architectural differences suggest these chips target different use cases. Neither chip is a clear all-around winner; the decision rests on whether performance or efficiency takes priority.