AMD Radeon R7 250E vs AMD Radeon R9 270 Full Specs
512 Shaders 800MHz | 1,280 Shaders 925MHz |
1GB GDDR572GB/s | 2GB GDDR5179.2GB/s |
·· 819.2 GFLOPS | ·· 2.37 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 55W | TDP 150W |
Power Connectors - | Power Connectors 1x 6-Pin |
Radeon R7 250E819.2 GFLOPSFP32
Radeon R9 2702.37 TFLOPSFP32Clock Speed ·· | Clock Speed ··· |
Peak OPS 819.2 GFLOPSFP32 | Peak OPS 2.37 TFLOPSFP32 |
FP32 819.2 GFLOPS | FP32 2.37 TFLOPS |
FP64 51.2 GFLOPS | FP64 148 GFLOPS |
Pixel Rate 12.8 GPixel/s | Pixel Rate 29.6 GPixel/s |
Texture Rate 25.6 GTexel/s | Texture Rate 74 GTexel/s |
Shaders 512 Shaders | Shaders 1,280 Shaders |
TMUs 32 TMUs | TMUs 80 TMUs |
ROPs 16 ROPs | ROPs 32 ROPs |
CUs 8 CUs | CUs 20 CUs |
Base Clock - | Base Clock 900MHz |
Boost Clock 800MHz | Boost Clock 925MHz |
L2 Cache 256KB shared | L2 Cache 512KB shared |
1GB GDDR5 | 2GB GDDR5 |
Memory Bus 128-bit | Memory Bus 256-bit |
Memory Speed 4.5GT/s | Memory Speed 5.6GT/s |
Memory Bandwidth 72GB/s | Memory Bandwidth 179.2GB/s |
TDP 55W | TDP 150W |
Multi-Monitor 3 | Multi-Monitor 3 |
- | 1x DisplayPort 1.2 |
1x HDMI 1.4 | 1x HDMI 1.4 |
- | 1x DVI-D Dual-Link |
1x DVI-I Dual-Link | 1x DVI-I Dual-Link |
1x VGA | - |
Encoder Model VCE 1.0 | Encoder Model VCE 1.0 |
Decoder Model UVD 4.0 | Decoder Model UVD 3.2 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 1-Slots | PCIe 2-Slots |
Cooling Open-Air 1x Fan | Cooling Open-Air 1x Fan |
Power Connectors - | Power Connectors 1x 6-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Cape Verde | Codename Pitcairn |
Chip Variant Cape Verde LE | Chip Variant Pitcairn Pro |
Market Segment Desktop | Market Segment Desktop |
Release Date Dec 21, 2013 | Release Date Nov 13, 2013 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 123mm² | Die Size 212mm² |
Transistor Count 1.5 Billion | Transistor Count 2.8 Billion |
Transistor Density 12.2 MTr/mm² | Transistor Density 13.21 MTr/mm² |
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