Xeon E3-1245 v2 vs FX-8320
Aggregated performance score
Xeon E3-1245 v2 outperforms FX-8320 by 16% based on our aggregated benchmark results.
Primary details
Comparing FX-8320 and Xeon E3-1245 v2 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1434 | 1315 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.42 | 1.72 |
| Market segment | Desktop processor | Server |
| Architecture codename | Vishera (2012−2015) | Ivy Bridge (2012−2013) |
| Release date | 23 October 2012 (11 years ago) | 14 May 2012 (11 years ago) |
| Launch price (MSRP) | no data | $462 |
| Current price | $110 | $235 (0.5x MSRP) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon E3-1245 v2 has 21% better value for money than FX-8320.
Detailed specifications
FX-8320 and Xeon E3-1245 v2 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 8 (Octa-Core) | 4 (Quad-Core) |
| Threads | 8 | 8 |
| Base clock speed | 3.5 GHz | 3.4 GHz |
| Boost clock speed | 4 GHz | 3.8 GHz |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | 8192 KB | 256 KB (per core) |
| L3 cache | no data | 8 MB (shared) |
| Chip lithography | 32 nm | 22 nm |
| Die size | 315 mm2 | 160 mm2 |
| Maximum core temperature | 61 °C | no data |
| Number of transistors | 1,200 million | 1,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | Yes | No |
| P0 Vcore voltage | Min: 1.2 V - Max: 1.4 V | no data |
Compatibility
Information on FX-8320 and Xeon E3-1245 v2 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | AM3+ | FCLGA1155 |
| Power consumption (TDP) | 125 Watt | 77 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by FX-8320 and Xeon E3-1245 v2. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX |
| AES-NI | + | + |
| FMA | + | no data |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | no data | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | no data | + |
| FDI | no data | + |
| Fast Memory Access | no data | + |
| Status | no data | Discontinued |
Security technologies
FX-8320 and Xeon E3-1245 v2 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Identity Protection | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by FX-8320 and Xeon E3-1245 v2 are enumerated here.
| AMD-V | + | no data |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by FX-8320 and Xeon E3-1245 v2. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | no data | 32.77 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 25.6 GB/s |
| ECC memory support | no data | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD P4000 |
| Quick Sync Video | no data | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.25 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of FX-8320 and Xeon E3-1245 v2 integrated GPUs.
| Number of displays supported | no data | 3 |
Peripherals
Specifications and connection of peripherals supported by FX-8320 and Xeon E3-1245 v2.
| PCIe version | n/a | 3.0 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Xeon E3-1245 v2 outperforms FX-8320 by 16% based on our aggregated benchmark results.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
Xeon E3-1245 v2 outperforms FX-8320 by 16% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 42%
Xeon E3-1245 v2 outperforms FX-8320 by 45% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 42%
Xeon E3-1245 v2 outperforms FX-8320 by 25% in GeekBench 5 Multi-Core.
Pros & cons summary
| Performance score | 3.53 | 4.08 |
| Recency | 23 October 2012 | 14 May 2012 |
| Physical cores | 8 | 4 |
| Chip lithography | 32 nm | 22 nm |
| Power consumption (TDP) | 125 Watt | 77 Watt |
The Xeon E3-1245 v2 is our recommended choice as it beats the FX-8320 in performance tests.
Be aware that FX-8320 is a desktop processor while Xeon E3-1245 v2 is a server/workstation one.
Should you still have questions on choice between FX-8320 and Xeon E3-1245 v2, ask them in Comments section, and we shall answer.
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