Intel Core i7-4790S | AMD RX-421BD | |
CPU comparisonIntel Core i7-4790S or AMD RX-421BD - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The Intel Core i7-4790S has 4 cores with 8 threads and clocks with a maximum frequency of 4.00 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i7-4790S was released in Q2/2014. The AMD RX-421BD has 4 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD RX-421BD was released in Q4/2015. |
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Intel Core i7 (298) | Family | AMD R (6) |
Intel Core i 4000 (64) | CPU group | AMD RX 1st Gen. (6) |
4 | Generation | 1 |
Haswell S | Architecture | Merlin Falcon (Excavator) |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-4790S is a 4 core processor with a clock frequency of 3.20 GHz (4.00 GHz). The AMD RX-421BD has 4 CPU cores with a clock frequency of 2.10 GHz (3.40 GHz). |
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Intel Core i7-4790S | Characteristic | AMD RX-421BD |
4 | Cores | 4 |
8 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | No |
3.20 GHz | Frequency | 2.10 GHz |
4.00 GHz | Turbo Frequency (1 Core) | 3.40 GHz |
3.50 GHz | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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Intel HD Graphics 4600 | GPU | AMD Radeon R7 - 512 (Merlin Falcon) |
0.35 GHz | GPU frequency | 0.80 GHz |
1.20 GHz | GPU (Turbo) | -- |
7.5 | GPU Generation | 3 |
22 nm | Technology | 28 |
3 | Max. displays | 3 |
20 | Compute units | 8 |
160 | Shader | 512 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 GB | Max. GPU Memory | 2 GB |
11.1 | DirectX Version | 12 |
Hardware codec supportA photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos. |
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Intel HD Graphics 4600 | GPU | AMD Radeon R7 - 512 (Merlin Falcon) |
No | Codec h265 / HEVC (8 bit) | Decode |
No | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | Decode / Encode |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode | Codec JPEG | Decode |
Memory & PCIeThe Intel Core i7-4790S supports a maximum of 32 GB of memory in 2 memory channels. The AMD RX-421BD can connect up to GB of memory in 2 memory channels. |
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Intel Core i7-4790S | Characteristic | AMD RX-421BD |
DDR3-1600 | Memory | DDR4-2400, DDR3-2133 |
32 GB | Max. Memory | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
25.6 GB/s | Max. Bandwidth | 38.4 GB/s |
No | ECC | Yes |
-- | L2 Cache | 2.00 MB |
8.00 MB | L3 Cache | -- |
3.0 | PCIe version | 3.0 |
16 | PCIe lanes | 12 |
15.8 GB/s | PCIe Bandwidth | 11.8 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-4790S has a TDP of 65 W, that of the AMD RX-421BD is 35 W. |
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Intel Core i7-4790S | Characteristic | AMD RX-421BD |
65 W | TDP (PL1 / PBP) | 35 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | 12 W |
-- | Tjunction max. | 90 °C |
Technical detailsThe Intel Core i7-4790S has a 8.00 MB cache, while the AMD RX-421BD cache has a total of 2.00 MB. |
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Intel Core i7-4790S | Characteristic | AMD RX-421BD |
22 nm | Technology | 28 nm |
Monolithic | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 |
LGA 1150 | Socket | FP4 |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, AMD-Vt |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | |
Q2/2014 | Release date | Q4/2015 |
275 $ | Release price | -- |
show more data | show more data | |
Intel Core i7-4790S
Intel HD Graphics 4600 @ 1.20 GHz |
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AMD RX-421BD
AMD Radeon R7 - 512 (Merlin Falcon) @ 0.80 GHz |
Intel Core i7-4790S
4C 8T @ 4.00 GHz |
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AMD RX-421BD
4C 4T @ 3.40 GHz |
Intel Core i7-4790S
4C 8T @ 4.00 GHz |
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AMD RX-421BD
4C 4T @ 3.40 GHz |
Intel Core i7-4790S
4C 8T @ 3.50 GHz |
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AMD RX-421BD
4C 4T @ 2.10 GHz |
Intel Core i7-4790S
4C 8T @ 4.00 GHz |
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AMD RX-421BD
4C 4T @ 3.40 GHz |
Intel Core i7-4790S
4C 8T @ 3.50 GHz |
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AMD RX-421BD
4C 4T @ 2.10 GHz |
Intel Core i7-4790S
4C 8T @ 3.50 GHz |
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AMD RX-421BD
4C 4T @ 2.10 GHz |
Intel Core i7-4790S
4C 8T @ 3.50 GHz |
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AMD RX-421BD
4C 4T @ 2.10 GHz |
Intel Core i7-4790S
4C 8T @ 3.20 GHz |
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AMD RX-421BD
4C 4T @ 2.10 GHz |
Intel Core i7-4790S
4C 8T @ 4.00 GHz |
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AMD RX-421BD
4C 4T @ 3.40 GHz |
Intel Core i7-4790S
4C 8T @ 3.50 GHz |
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AMD RX-421BD
4C 4T @ 2.10 GHz |
Devices using this processor |
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Intel Core i7-4790S | AMD RX-421BD |
Unknown | Unknown |