i7-4790T vs EPYC 7451
Aggregate performance score
EPYC 7451 outperforms Core i7-4790T by a whopping 323% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 548 | 1721 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.48 | 0.65 |
| Market segment | Server | Desktop processor |
| Series | AMD EPYC | Intel Core i7 (Desktop) |
| Power efficiency | 3.57 | 3.38 |
| Designer | AMD | Intel |
| Manufacturer | no data | Intel |
| Architecture codename | Naples (2017−2018) | Haswell (2013−2015) |
| Release date | 20 June 2017 (8 years ago) | 1 May 2014 (12 years ago) |
| Launch price (MSRP) | $2,400 | $303 |
Cost-effectiveness evaluation
Performance per price, higher is better.
EPYC 7451 has 128% better value for money than i7-4790T.
Performance to price scatter graph
Detailed specifications
EPYC 7451 and Core i7-4790T 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 | 24 (Tetracosa-Core) | 4 (Quad-Core) |
| Threads | 48 | 8 |
| Base clock speed | 2.3 GHz | 2.7 GHz |
| Boost clock speed | 2.3 GHz | 3.9 GHz |
| Bus rate | no data | 5 GT/s |
| Multiplier | 23 | no data |
| L1 cache | 2.25 MB | 64 KB (per core) |
| L2 cache | 12 MB | 256 KB (per core) |
| L3 cache | 64 MB (shared) | 8 MB (shared) |
| Chip lithography | 14 nm | 22 nm |
| Die size | 213 mm2 | 177 mm2 |
| Maximum case temperature (TCase) | no data | 71 °C |
| Number of transistors | 19200 Million | 1,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on EPYC 7451 and Core i7-4790T 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 | 2 (Multiprocessor) | 1 |
| Socket | TR4 | FCLGA1150 |
| Power consumption (TDP) | 180 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7451 and Core i7-4790T. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| My WiFi | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| SIPP | - | + |
| FDI | no data | + |
Security technologies
EPYC 7451 and Core i7-4790T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Identity Protection | - | + |
| OS Guard | no data | + |
| Anti-Theft | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 7451 and Core i7-4790T are enumerated here.
| AMD-V | + | + |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by EPYC 7451 and Core i7-4790T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Eight-channel | DDR3 |
| Maximum memory size | 2 TiB | 32 GB |
| Max memory channels | 8 | 2 |
| Maximum memory bandwidth | 170.671 GB/s | 25.6 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel HD Graphics 4600 |
| Max video memory | no data | 2 GB |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.2 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of EPYC 7451 and Core i7-4790T integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| DVI | no data | + |
| VGA | no data | + |
Graphics image quality
Maximum display resolutions supported by EPYC 7451 and Core i7-4790T integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096x2304@24Hz |
| Max resolution over eDP | no data | 3840x2160@60Hz |
| Max resolution over DisplayPort | no data | 3840x2160@60Hz |
| Max resolution over VGA | no data | 1920x1200@60Hz |
Graphics API support
APIs supported by EPYC 7451 and Core i7-4790T integrated GPUs, sometimes API versions are included.
| DirectX | no data | 11.2/12 |
| OpenGL | no data | 4.3 |
Peripherals
Specifications and connection of peripherals supported by EPYC 7451 and Core i7-4790T.
| PCIe version | 3.0 | Up to 3.0 |
| PCI Express lanes | 128 | 16 |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 15.22 | 3.60 |
| Recency | 20 June 2017 | 1 May 2014 |
| Physical cores | 24 | 4 |
| Threads | 48 | 8 |
| Chip lithography | 14 nm | 22 nm |
| Power consumption (TDP) | 180 Watt | 45 Watt |
EPYC 7451 has a 323% higher aggregate performance score, an age advantage of 3 years, 500% more physical cores and 500% more threads, and a 57% more advanced lithography process.
i7-4790T, on the other hand, has 300% lower power consumption.
The AMD EPYC 7451 is our recommended choice as it beats the Intel Core i7-4790T in performance tests.
Be aware that EPYC 7451 is a server/workstation processor while Core i7-4790T is a desktop one.
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