AMD · Opteron · 2003 · Socket 940
The AMD Opteron 840 is a server processor with 1 core, released in 2003 at an MSRP of $749. It is part of the Opteron lineup, using the Opteron 800 platform, and fits the Socket 940 socket. Internally, it is built on the "K8" architecture. It operates at a fixed 1.4 GHz. AMD manufactures the "K8" silicon on a 130nm process node. This processor supports DDR memory across 2 channels, with ECC support standard for data integrity in server workloads. It supports both single-socket (1P) and dual-socket (2P) configurations. With a TDP of 84.7W, the Opteron 840 sits in a typical power envelope for a modern desktop CPU. The cache hierarchy consists of 128KB/core of L1 and 1MB of L2 cache. There is no L3 cache on this processor.
1-core K8 Opteron (SledgeHammer) at 1.4GHz on Socket 940, launched June 2003. The original 130nm Opteron that introduced AMD64 to the server market in 2003, with an on-die memory controller and HyperTransport links in place of a front-side bus. It scales to four- and eight-socket systems.
| Brand | AMD |
|---|---|
| Family | Opteron |
| Series | Opteron 800 |
| Architecture | K8 |
| Codename | SledgeHammer |
| Launch year | 2003 |
| Cores | 1 |
| Threads | 1 |
| Base clock | 1.4 GHz |
| Boost clock | 1.4 GHz |
| L1 cache | 128KB/core |
| L2 cache | 1MB |
| TDP | 84.7W |
| Socket | Socket 940 |
| Process | 130nm |
| Memory type | DDR |
| Memory channels | 2 |
| ECC memory | Yes |
| Socket scalability | 1P and 2P |
| Launch MSRP | $749 |
| OEM / tray part number | OSA840CCO5AI |