AMD Radeon HD 7690M vs AMD Radeon HD 7970M X2 Full Specs
480 Shaders 600MHz | 2,560 Shaders 850MHz |
1GB GDDR557.6GB/s | 4GB GDDR5307.2GB/s |
·· 576 GFLOPS | ·· 4.35 TFLOPS |
Form Factor MXM-A | Form Factor MXM-B |
TDP 25W | TDP 75W |
Radeon HD 7690M576 GFLOPSFP32Radeon HD 7970M X24.35 TFLOPSFP32 (2x 2.18 TFLOPS)Clock Speed ·· | Clock Speed ·· |
Peak OPS 576 GFLOPSFP32 | Peak OPS 4.35 TFLOPSFP32 |
FP32 576 GFLOPS | FP32 4.35 TFLOPS |
- | FP64 272 GFLOPS |
Pixel Rate 4.8 GPixel/s | Pixel Rate 27.2 GPixel/s |
Texture Rate 14.4 GTexel/s | Texture Rate 68 GTexel/s |
Shaders 480 Shaders | Shaders 2,560 Shaders |
TMUs 24 TMUs | TMUs 160 TMUs |
ROPs 8 ROPs | ROPs 64 ROPs |
CUs 6 CUs | CUs 40 CUs |
Boost Clock 600MHz | Boost Clock 850MHz |
L2 Cache 256KB shared | L2 Cache 512KB shared |
1GB GDDR5 | 4GB GDDR5 |
Memory Bus 128-bit | Memory Bus 256-bit |
Memory Speed 3.6GT/s | Memory Speed 4.8GT/s |
Memory Bandwidth 57.6GB/s | Memory Bandwidth 307.2GB/s |
TDP 25W | TDP 75W |
Multi-Monitor 2 | Multi-Monitor 3 |
- | Encoder Model VCE 1.0 |
Decoder Model UVD 3.0 | Decoder Model UVD 4.0 |
Form Factor MXM-A | Form Factor MXM-B |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Turks | Codename Pitcairn |
Chip Variant Turks Pro | Chip Variant Pitcairn Pro |
Market Segment Laptop | Market Segment Laptop |
Release Date Jan 7, 2012 | Release Date Apr 24, 2012 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 40nm | Fabrication Node 28nm |
Die Size 118mm² | Die Size 212mm² |
Transistor Count 716 Million | Transistor Count 2.8 Billion |
Transistor Density 6.07 MTr/mm² | Transistor Density 13.21 MTr/mm² |
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