AMD Radeon RX M540X vs AMD Radeon RX M580X Full Specs
512 Shaders 1.22GHz | 2,304 Shaders 1.08GHz |
2GB GDDR596GB/s | 8GB GDDR5256GB/s |
·· 1.25 TFLOPS | ·· 4.96 TFLOPS |
Form Factor Soldered | Form Factor Soldered |
TDP 50W | TDP 100W |
Radeon RX M540X1.25 TFLOPSFP16Radeon RX M580X4.96 TFLOPSFP16Clock Speed ··· | Clock Speed ··· |
Peak OPS 1.25 TFLOPSFP16 | Peak OPS 4.96 TFLOPSFP16 |
FP32 1.25 TFLOPS | FP32 4.96 TFLOPS |
FP64 78.02 GFLOPS | FP64 310.2 GFLOPS |
Pixel Rate 19.5 GPixel/s | Pixel Rate 34.5 GPixel/s |
Texture Rate 39 GTexel/s | Texture Rate 155.1 GTexel/s |
Shaders 512 Shaders | Shaders 2,304 Shaders |
TMUs 32 TMUs | TMUs 144 TMUs |
ROPs 16 ROPs | ROPs 32 ROPs |
CUs 8 CUs | CUs 36 CUs |
Base Clock 1.12GHz | Base Clock 1GHz |
Boost Clock 1.22GHz | Boost Clock 1.08GHz |
L2 Cache 512KB shared | L2 Cache 2MB shared |
2GB GDDR5 | 8GB GDDR5 |
Memory Bus 128-bit | Memory Bus 256-bit |
Memory Speed 6GT/s | Memory Speed 8GT/s |
Memory Bandwidth 96GB/s | Memory Bandwidth 256GB/s |
TDP 50W | TDP 100W |
Multi-Monitor 3 | Multi-Monitor 3 |
HDCP HDCP 2.2 | HDCP HDCP 2.2 |
Encoder Model VCE 3.4 | Encoder Model VCE 3.0 |
Decoder Model UVD 6.3 | Decoder Model UVD 6.3 |
Form Factor Soldered | Form Factor Soldered |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Lexa | Codename Ellesmere |
Chip Variant Polaris 23 XLM | Chip Variant Polaris 20 XL |
Market Segment Laptop | Market Segment Laptop |
Release Date Apr 11, 2018 | Release Date Apr 11, 2018 |
Foundry GlobalFoundries | Foundry GlobalFoundries |
Fabrication Node 14LPP | Fabrication Node 14LPP |
Die Size 103mm² | Die Size 232mm² |
Transistor Count 2.2 Billion | Transistor Count 5.7 Billion |
Transistor Density 21.36 MTr/mm² | Transistor Density 24.57 MTr/mm² |
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