Side by side comparison and review of Intel Xeon E5-2440 and AMD Athlon II X4 870K. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.
| GENERAL | Intel Xeon E5-2440 | AMD Athlon II X4 870K |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | Intel Xeon E5-2440 | AMD Athlon II X4 870K |
|---|
| Type | Intel Xeon E5-2440 | AMD Athlon II X4 870K |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Compatible Processor Socket | LGA1356 Socket | Socket FM2+ |
| Core Voltage | 0.6 V - 1.35 V | - |
| Manufacturing Process | 32 nm | 28 nm |
| Thermal Design Power | 95 W | 95 W |
| PCI Express Revision | 3.0 | - |
| PCI Express Lanes Qty | 24 | - |
| Architecture Features | Enhanced SpeedStep technology, Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, Intel Advanced Vector Extensions (AVX), Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Idle States | AMD Virtualization |
| PERFORMANCE |
|---|
| Number of Cores | 6-core | Quad-Core |
|---|---|---|
| Number of Threads | 12 threads | 4 threads |
| Clock Speed (Frequency) | 2.4 GHz | 3.9 GHz |
| Max Turbo Speed | 2.9 GHz | 4.1 GHz |
| Bus Speed | 1333 MHz | - |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | 15 MB | 4 MB |
|---|---|---|
| Cache Memory Details | Smart Cache - 15 MB | L2 - DDR3 SDRAM - 4 MB - 2 x 2 MB L1 - 128 KB |
| Installed Size | 15 MB | - |
| EXPANSION & CONNECTIVITY | Intel Xeon E5-2440 | AMD Athlon II X4 870K |
|---|
| Compatible Slots | 1 x processor - LGA1356 Socket | - |
|---|
| MISCELLANEOUS | Intel Xeon E5-2440 | AMD Athlon II X4 870K |
|---|
| Compliant Standards | RoHS | AES |
|---|---|---|
| Service & Support | Limited warranty - 1 year | - |
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