AMD Radeon R9 270 vs AMD Radeon R9 280X Full Specs
1,280 Shaders 925MHz | 2,048 Shaders 1GHz |
2GB GDDR5179.2GB/s | 3GB GDDR5288GB/s |
·· 2.37 TFLOPS | ·· 4.1 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 150W | TDP 250W |
Power Connectors - 1x 6-Pin | Power Connectors 1x 8-Pin 1x 6-Pin |
Radeon R9 2702.37 TFLOPSFP32
Radeon R9 280X4.1 TFLOPSFP32Clock Speed ··· | Clock Speed ··· |
Peak OPS 2.37 TFLOPSFP32 | Peak OPS 4.1 TFLOPSFP32 |
FP32 2.37 TFLOPS | FP32 4.1 TFLOPS |
FP64 148 GFLOPS | FP64 1.02 TFLOPS |
Pixel Rate 29.6 GPixel/s | Pixel Rate 32 GPixel/s |
Texture Rate 74 GTexel/s | Texture Rate 128 GTexel/s |
Shaders 1,280 Shaders | Shaders 2,048 Shaders |
TMUs 80 TMUs | TMUs 128 TMUs |
ROPs 32 ROPs | ROPs 32 ROPs |
CUs 20 CUs | CUs 32 CUs |
Base Clock 900MHz | Base Clock 850MHz |
Boost Clock 925MHz | Boost Clock 1GHz |
L2 Cache 512KB shared | L2 Cache 768KB shared |
2GB GDDR5 | 3GB GDDR5 |
Memory Bus 256-bit | Memory Bus 384-bit |
Memory Speed 5.6GT/s | Memory Speed 6GT/s |
Memory Bandwidth 179.2GB/s | Memory Bandwidth 288GB/s |
TDP 150W | TDP 250W |
Multi-Monitor 3 | Multi-Monitor 3 |
1x DisplayPort 1.2 | 1x DisplayPort 1.2 |
1x HDMI 1.4 | 1x HDMI 1.4 |
1x DVI-D Dual-Link | 1x DVI-D Dual-Link |
1x DVI-I Dual-Link | 1x DVI-I Dual-Link |
Encoder Model VCE 1.0 | Encoder Model VCE 1.0 |
Decoder Model UVD 3.2 | Decoder Model UVD 3.2 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 2-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 1x 6-Pin | Power Connectors 1x 8-Pin, 1x 6-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Pitcairn | Codename Tahiti |
Chip Variant Pitcairn Pro | Chip Variant Tahiti LE |
Market Segment Desktop | Market Segment Desktop |
Release Date Nov 13, 2013 | Release Date Aug 8, 2013 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 212mm² | Die Size 352mm² |
Transistor Count 2.8 Billion | Transistor Count 4.3 Billion |
Transistor Density 13.21 MTr/mm² | Transistor Density 12.25 MTr/mm² |
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