Intel Core i9-9900K vs AMD Ryzen 9 3900X

The AMD Ryzen 9 3900X leads on gaming, scoring 74.3 — about 2% ahead of the Intel Core i9-9900K. For AI workloads the AMD Ryzen 9 3900X is the clear call: it's both faster and better value in that segment. The AMD Ryzen 9 3900X comes out ahead in 4 of the 4 uses we score. On today's street prices the Intel Core i9-9900K is the cheaper of the two: the AMD Ryzen 9 3900X costs around 2% more. For bang for your buck, the Intel Core i9-9900K is the stronger value pick. It's a split call: the AMD Ryzen 9 3900X is faster, but the Intel Core i9-9900K gives more performance for the money.

Core i9-9900KIntelLGA1151Ryzen 9 3900XAMDAM4our pick
Performance scores
Gaming73.174.3 ★
3D Modelling39.354.7 ★
AI26.540.2 ★
VR73.174.3 ★
Value scores
Gaming126 ★94
3D Modelling67.869.2 ★
AI45.750.9 ★
VR126 ★94
Specifications
UserBenchmark Speed97.9 ★87.9
Cores812 ★
Threads1624 ★
Boost Clock5 GHz ★4.6 GHz
L3 Cache16 MB64 MB ★
Gaming Index7274 ★
Cinebench MT1200018300 ★
AI Throughput0 TOPS0 TOPS
TDP95 W ★105 W
RRP$488 ★$499

★ marks the winner on each row (for TDP, latency and price, lower is better). Ties unmarked. Scores are our own absolute figures; specs and prices are facts from their sources.