FX-4300 vs 850: comparison

Comparison of FX-4300 and 850: key differences and a full specification table.

Key differences

FX-4300 has a higher base clock (3.8 GHz vs 3.3 GHz).

Both processors match on: core count (4), thread count (4), TDP (95 W).

These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.

Key specifications

ParameterFX-4300850
Cores / threads 4 / 4 4 / 4
Max boost clock 4 GHz —
L3 cache 4 MB —
TDP 95 W 95 W
Process 32 nm —

Full specification table

Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.

Parameter FX-4300 850
General
Codename FX Legacy Phenom
Segment Boxed Processor Boxed Processor
Product line AMD FX 4-Core Black Edition Processors AMD Phenom II X4
Product family AMD FX-Series Processors AMD Phenom
Process 32 nm —
Unlocked for overclocking Yes No
CPU
Cores 4 4
Threads 4 4
Base clock 3.8 GHz 3.3 GHz
Max boost clock 4 GHz —
L1 cache 192 KB 512 KB
L2 cache 4 MB 2 MB
L3 cache 4 MB —
TDP 95 W 95 W
Memory
Memory types DDR3 —
Max memory speed 1.866 GHz —
Graphics
Has integrated graphics No No
Package and thermal
Sockets supported AM3+ AM3
TJUNCTION 70.5 °C —
Security and virtualization
Supported technologies AES —
Identifiers
Product ID (OEM) FD4300WMW4MHK HDX850WFK42GM
Product ID (Box) FD4300WMHKBOX HDX850WFGMBOX

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