AMD Radeon HD 8970M vs NVIDIA GeForce GTX 780M Mac Full Specs
1,280 Shaders 900MHz | 1,536 Shaders 784MHz |
4GB GDDR5153.6GB/s | 4GB GDDR5160GB/s |
·· 2.3 TFLOPS | ·· 2.41 TFLOPS |
Form Factor Soldered | Form Factor Soldered |
TDP 100W | TDP 122W |
Radeon HD 8970M2.3 TFLOPSFP32
GeForce GTX 780M Mac2.41 TFLOPSFP32Clock Speed ··· | Clock Speed ·· |
Peak OPS 2.3 TFLOPSFP32 | Peak OPS 2.41 TFLOPSFP32 |
FP32 2.3 TFLOPS | FP32 2.41 TFLOPS |
FP64 144 GFLOPS | FP64 100.4 GFLOPS |
Pixel Rate 28.8 GPixel/s | Pixel Rate 25.1 GPixel/s |
Texture Rate 72 GTexel/s | Texture Rate 100.4 GTexel/s |
Shaders 1,280 Shaders | Shaders 1,536 Shaders |
TMUs 80 TMUs | TMUs 128 TMUs |
ROPs 32 ROPs | ROPs 32 ROPs |
CUs 20 CUs | SMs 8 SMs |
Base Clock 850MHz | Base Clock - |
Boost Clock 900MHz | Boost Clock 784MHz |
L2 Cache 512KB shared | L2 Cache 512KB shared |
4GB GDDR5 | 4GB GDDR5 |
Memory Bus 256-bit | Memory Bus 256-bit |
Memory Speed 4.8GT/s | Memory Speed 5GT/s |
Memory Bandwidth 153.6GB/s | Memory Bandwidth 160GB/s |
ECC No | ECC No |
TDP 100W | TDP 122W |
Multi-Monitor 3 | Multi-Monitor 2 |
Encoder Model VCE 1.0 | Encoder Model NVENC 1 |
Decoder Model UVD 4.0 | Decoder Model NVDEC 1 |
Form Factor Soldered | Form Factor Soldered |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding  |
Codename Pitcairn | Codename NVE4 |
Chip Variant Pitcairn Pro | Chip Variant GK104-200-KD-A2 |
Market Segment Laptop | Market Segment Laptop |
Release Date Jan 8, 2013 | Release Date May 1, 2013 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 212mm² | Die Size 294mm² |
Transistor Count 2.8 Billion | Transistor Count 3.5 Billion |
Transistor Density 13.21 MTr/mm² | Transistor Density 12.04 MTr/mm² |
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All-in-Ones - | All-in-Ones |