AMD Radeon R5 M315 vs AMD Radeon R9 M390X Full Specs
384 Shaders 970MHz | 2,048 Shaders 723MHz |
2GB DDR314.4GB/s | 4GB GDDR5160GB/s |
·· 745 GFLOPS | ·· 2.96 TFLOPS |
Form Factor Soldered | Form Factor Soldered |
TDP 15W | TDP 125W |
Radeon R5 M315745 GFLOPSFP32Radeon R9 M390X2.96 TFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 745 GFLOPSFP32 | Peak OPS 2.96 TFLOPSFP32 |
FP32 745 GFLOPS | FP32 2.96 TFLOPS |
FP64 46.56 GFLOPS | FP64 185.1 GFLOPS |
Pixel Rate 7.8 GPixel/s | Pixel Rate 23.1 GPixel/s |
Texture Rate 23.3 GTexel/s | Texture Rate 92.5 GTexel/s |
Shaders 384 Shaders | Shaders 2,048 Shaders |
TMUs 24 TMUs | TMUs 128 TMUs |
ROPs 8 ROPs | ROPs 32 ROPs |
CUs 6 CUs | CUs 32 CUs |
Boost Clock 970MHz | Boost Clock 723MHz |
L2 Cache 256KB shared | L2 Cache 768KB shared |
2GB DDR3 | 4GB GDDR5 |
Memory Bus 64-bit | Memory Bus 256-bit |
Memory Speed 1.8GT/s | Memory Speed 5GT/s |
Memory Bandwidth 14.4GB/s | Memory Bandwidth 160GB/s |
TDP 15W | TDP 125W |
Multi-Monitor 3 | Multi-Monitor 3 |
HDCP HDCP 1.4 | HDCP HDCP 1.4 |
- | Encoder Model VCE 3.0 |
- | Decoder Model UVD 5.0 |
Form Factor Soldered | Form Factor Soldered |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Topaz | Codename Tonga |
Chip Variant Weston Pro | Chip Variant Tonga Pro |
Market Segment Laptop | Market Segment Laptop |
Release Date May 5, 2015 | Release Date May 5, 2015 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 125mm² | Die Size 359mm² |
Transistor Count 1.6 Billion | Transistor Count 5 Billion |
Transistor Density 12.4 MTr/mm² | Transistor Density 13.93 MTr/mm² |
No images available
No images available