AMD Radeon RX 560X vs NVIDIA Quadro K420 Full Specs
1,024 Shaders 1.27GHz | 192 Shaders 780MHz |
4GB GDDR5112GB/s | 1GB DDR328.8GB/s |
·· 2.61 TFLOPS | ·· 299.5 GFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 75W | TDP 41W |
Clock Speed ··· | Clock Speed ·· |
Peak OPS 2.61 TFLOPSFP16 | Peak OPS 299.5 GFLOPSFP32 |
FP32 2.61 TFLOPS | FP32 299.5 GFLOPS |
FP64 163.2 GFLOPS | FP64 12.48 GFLOPS |
Pixel Rate 20.4 GPixel/s | Pixel Rate 12.5 GPixel/s |
Texture Rate 81.6 GTexel/s | Texture Rate 12.5 GTexel/s |
Shaders 1,024 Shaders | Shaders 192 Shaders |
TMUs 64 TMUs | TMUs 16 TMUs |
ROPs 16 ROPs | ROPs 16 ROPs |
CUs 16 CUs | SM 1 SM |
Base Clock 1.18GHz | Base Clock - |
Boost Clock 1.27GHz | Boost Clock 780MHz |
L2 Cache 1MB shared | L2 Cache 128KB shared |
4GB GDDR5 | 1GB DDR3 |
Memory Bus 128-bit | Memory Bus 128-bit |
Memory Speed 7GT/s | Memory Speed 1.8GT/s |
Memory Bandwidth 112GB/s | Memory Bandwidth 28.8GB/s |
ECC No | ECC No |
TDP 75W | TDP 41W |
Multi-Monitor 3 | Multi-Monitor 3 |
HDCP HDCP 2.2 | HDCP - |
1x DisplayPort 1.4 1x HDMI 2.0 1x DVI-D Dual-Link | 1x DisplayPort 1.2 - 1x DVI-I Dual-Link |
Encoder Model VCE 3.4 | Encoder Model NVENC 1 |
Codec AVC (H.264) HEVC (H.265) | Codec AVC (H.264) - |
Decoder Model UVD 6.3 | Decoder Model NVDEC 1 |
Codec MPEG-1 MPEG-2 MPEG-4 JPEG VC-1 AVC (H.264) HEVC (H.265) | Codec MPEG-1 MPEG-2 MPEG-4 - VC-1 AVC (H.264) - |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 2-Slots | PCIe 1-Slots |
Height 110 mm (4.33")Width 170 mm (6.69")Depth 37 mm (1.46") | Height 69 mm (2.72")Width 160 mm (6.3")Depth 20 mm (0.79") |
Cooling Open-Air 2x Fans | Cooling Blower 1x Fan |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding ![]() | Branding ![]() |
Codename Baffin | Codename NVE7 |
Chip Variant Polaris 21 XL | Chip Variant - |
Market Segment Desktop | Market Segment Workstation |
Release Date Apr 11, 2018 | Release Date Jul 22, 2014 |
Foundry GlobalFoundries | Foundry TSMC |
Fabrication Node 14LPP | Fabrication Node 28nm |
Die Size 123mm² | Die Size 118mm² |
Transistor Count 3 Billion | Transistor Count 1.3 Billion |
Transistor Density 24.39 MTr/mm² | Transistor Density 10.76 MTr/mm² |

