AMD Radeon HD 8670M vs AMD Radeon HD 8790M Full Specs
384 Shaders 825MHz | 384 Shaders 900MHz |
1GB DDR314.4GB/s | 2GB GDDR572GB/s |
·· 633.6 GFLOPS | ·· 691.2 GFLOPS |
Form Factor Soldered | Form Factor MXM-A |
TDP 25W | TDP 25W |
Radeon HD 8670M633.6 GFLOPSFP32Radeon HD 8790M691.2 GFLOPSFP32Clock Speed ··· | Clock Speed ··· |
Peak OPS 633.6 GFLOPSFP32 | Peak OPS 691.2 GFLOPSFP32 |
FP32 633.6 GFLOPS | FP32 691.2 GFLOPS |
FP64 39.6 GFLOPS | FP64 43.2 GFLOPS |
Pixel Rate 6.6 GPixel/s | Pixel Rate 7.2 GPixel/s |
Texture Rate 19.8 GTexel/s | Texture Rate 21.6 GTexel/s |
Shaders 384 Shaders | Shaders 384 Shaders |
TMUs 24 TMUs | TMUs 24 TMUs |
ROPs 8 ROPs | ROPs 8 ROPs |
CUs 6 CUs | CUs 6 CUs |
Base Clock 775MHz | Base Clock 850MHz |
Boost Clock 825MHz | Boost Clock 900MHz |
L2 Cache 256KB shared | L2 Cache 256KB shared |
1GB DDR3 | 2GB GDDR5 |
Memory Bus 64-bit | Memory Bus 128-bit |
Memory Speed 1.8GT/s | Memory Speed 4.5GT/s |
Memory Bandwidth 14.4GB/s | Memory Bandwidth 72GB/s |
TDP 25W | TDP 25W |
Multi-Monitor 3 | Multi-Monitor 3 |
Encoder Model VCE 1.0 | Encoder Model VCE 1.0 |
Decoder Model UVD 4.0 | Decoder Model UVD 4.0 |
Form Factor Soldered | Form Factor MXM-A |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Oland | Codename Oland |
Chip Variant Oland XT | Chip Variant Oland XT |
Market Segment Laptop | Market Segment Laptop |
Release Date Jan 8, 2013 | Release Date Jan 8, 2013 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 77mm² | Die Size 77mm² |
Transistor Count 950 Million | Transistor Count 950 Million |
Transistor Density 12.34 MTr/mm² | Transistor Density 12.34 MTr/mm² |
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