AMD Radeon R9 M380 Mac Edition vs NVIDIA GeForce GTX 860M
Graphics Processor
| GPU model | Strato | GK104 |
|---|---|---|
| GPU variant | Strato PRO | N15P-GX-A1 |
| Architecture | GCN 2.0 | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 2,080 million | 3,540 million |
| Die size | 160 mm² | 294 mm² |
Mobile graphics
| Release date | May 5th, 2015 | Mar 10th, 2014 |
|---|---|---|
| Generation | Crystal System (R9 M300) | GeForce 800M |
| Production | End-of-life | End-of-life |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Predecessor | Solar System | GeForce 700M |
| Successor | Mobility Radeon | GeForce 900M |
Clocks
| Base clock | 900 MHz | 797 MHz |
|---|---|---|
| Boost clock | 1021 MHz | 915 MHz |
| Memory clock | 1568 MHz 6.3 Gbps effective | 1250 MHz 5 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 100.4 GB/s | 80.00 GB/s |
Render Configuration
| Shading units | 768 | 1152 |
|---|---|---|
| TMUs | 48 | 96 |
| ROPs | 16 | 16 |
| Compute units | 12 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 256 KB | 256 KB |
| SMX count | — | 6 |
Performance
| Pixel rate | 16.34 GPixel/s | 21.96 GPixel/s |
|---|---|---|
| Texture rate | 49.01 GTexel/s | 87.84 GTexel/s |
| FP32 (float) performance | 1.568 TFLOPS | 2.108 TFLOPS |
| FP64 (double) performance | 98.02 GFLOPS (1:16) | 87.84 GFLOPS (1:24) |
Dimensions & Outputs
| TDP | unknown | 75 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | IGP |
| Power connectors | — | None |
| Board number | — | P2053 SKU 4 |
API Support & Features
| DirectX | 12 (12_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 6.3 | 5.1 |
| CUDA | — | 3.0 |
