AMD Radeon R7 340 vs AMD Radeon R9 380X Full Specs
384 Shaders 780MHz | 2,048 Shaders 970MHz |
2GB GDDR572GB/s | 4GB GDDR5182.4GB/s |
·· 599 GFLOPS | ·· 3.97 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 75W | TDP 190W |
Power Connectors - | Power Connectors 2x 6-Pin |
Radeon R7 340599 GFLOPSFP32
Radeon R9 380X3.97 TFLOPSFP32Clock Speed ··· | Clock Speed ·· |
Peak OPS 599 GFLOPSFP32 | Peak OPS 3.97 TFLOPSFP32 |
FP32 599 GFLOPS | FP32 3.97 TFLOPS |
FP64 37.44 GFLOPS | FP64 248.3 GFLOPS |
Pixel Rate 6.2 GPixel/s | Pixel Rate 31 GPixel/s |
Texture Rate 18.7 GTexel/s | Texture Rate 124.2 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 |
Base Clock 730MHz | Base Clock - |
Boost Clock 780MHz | Boost Clock 970MHz |
L2 Cache 256KB shared | L2 Cache 768KB shared |
2GB GDDR5 | 4GB GDDR5 |
Memory Bus 128-bit | Memory Bus 256-bit |
Memory Speed 4.5GT/s | Memory Speed 5.7GT/s |
Memory Bandwidth 72GB/s | Memory Bandwidth 182.4GB/s |
ECC No | ECC No |
TDP 75W | TDP 190W |
Multi-Monitor 3 | Multi-Monitor 3 |
HDCP - | HDCP HDCP 1.4 |
1x DisplayPort 1.2 | 1x DisplayPort 1.2 |
- | 1x HDMI 1.4 |
- | 1x DVI-D Dual-Link |
1x DVI-I Dual-Link | 1x DVI-I Dual-Link |
Encoder Model VCE 1.0 | Encoder Model VCE 3.0 |
Decoder Model UVD 4.0 | Decoder Model UVD 5.0 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 1-Slots | PCIe 2-Slots |
- | Height 111 mm (4.37")Width 221 mm (8.7")Depth 37 mm (1.46") |
Cooling Open-Air 1x Fan | Cooling Blower 1x Fan |
Power Connectors - | Power Connectors 2x 6-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Oland | Codename Tonga |
Chip Variant Oland XT | Chip Variant Tonga Pro |
Market Segment Desktop | Market Segment Desktop |
Release Date May 5, 2015 | Release Date Nov 1, 2015 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 77mm² | Die Size 359mm² |
Transistor Count 950 Million | Transistor Count 5 Billion |
Transistor Density 12.34 MTr/mm² | Transistor Density 13.93 MTr/mm² |
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