AMD Radeon R5 340X vs AMD Radeon R9 390X Full Specs
384 Shaders 1.05GHz | 2,816 Shaders 1.05GHz |
2GB DDR316GB/s | 8GB GDDR5384GB/s |
·· 806.4 GFLOPS | ·· 5.91 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 30W | TDP 275W |
Power Connectors - | Power Connectors 1x 8-Pin 1x 6-Pin |
Radeon R5 340X806.4 GFLOPSFP32
Radeon R9 390X5.91 TFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 806.4 GFLOPSFP32 | Peak OPS 5.91 TFLOPSFP32 |
FP32 806.4 GFLOPS | FP32 5.91 TFLOPS |
FP64 50.4 GFLOPS | FP64 739.2 GFLOPS |
Pixel Rate 8.4 GPixel/s | Pixel Rate 67.2 GPixel/s |
Texture Rate 25.2 GTexel/s | Texture Rate 184.8 GTexel/s |
Shaders 384 Shaders | Shaders 2,816 Shaders |
TMUs 24 TMUs | TMUs 176 TMUs |
ROPs 8 ROPs | ROPs 64 ROPs |
CUs 6 CUs | CUs 44 CUs |
Boost Clock 1.05GHz | Boost Clock 1.05GHz |
L2 Cache 256KB shared | L2 Cache 1MB shared |
2GB DDR3 | 8GB GDDR5 |
Memory Bus 64-bit | Memory Bus 512-bit |
Memory Speed 2GT/s | Memory Speed 6GT/s |
Memory Bandwidth 16GB/s | Memory Bandwidth 384GB/s |
TDP 30W | TDP 275W |
Multi-Monitor 3 | Multi-Monitor 3 |
HDCP - | HDCP HDCP 1.4 |
1x DisplayPort 1.2 | 1x DisplayPort 1.2 |
- | 1x HDMI 1.4 |
- | 2x DVI-D Dual-Link |
1x DVI-I Dual-Link | - |
Encoder Model VCE 1.0 | Encoder Model VCE 2.0 |
Decoder Model UVD 4.0 | Decoder Model UVD 4.2 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 1-Slots | PCIe 2-Slots |
- | Height 110 mm (4.33")Width 275 mm (10.83")Depth 36 mm (1.42") |
Cooling Open-Air 1x Fan | Cooling Blower 1x Fan |
Power Connectors - | Power Connectors 1x 8-Pin, 1x 6-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Oland | Codename Hawaii |
Chip Variant Oland XT | Chip Variant Hawaii Pro |
Market Segment Desktop | Market Segment Desktop |
Release Date May 5, 2015 | Release Date Jun 18, 2015 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 77mm² | Die Size 438mm² |
Transistor Count 950 Million | Transistor Count 6.2 Billion |
Transistor Density 12.34 MTr/mm² | Transistor Density 14.16 MTr/mm² |
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