AMD Radeon HD 8770 OEM vs Intel Iris Pro Graphics P6300
Graphics Processor
| GPU model | Bonaire | Broadwell GT3e |
|---|---|---|
| GPU variant | Bonaire XT (215-0839039) | — |
| Architecture | GCN 2.0 | Generation 8.0 |
| Foundry | TSMC | Intel |
| Manufacturing process | 28 nm | 14 nm |
| Number of transistors | 2,080 million | unknown |
| Die size | 160 mm² | unknown |
Graphics Card
| Release date | Sep 2nd, 2013 | — |
|---|---|---|
| Generation | Sea Islands | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x16 | — |
| Predecessor | Southern Islands | — |
| Successor | Volcanic Islands | — |
Clocks
| GPU clock | 1050 MHz | — |
|---|---|---|
| Memory clock | 1500 MHz 6 Gbps effective | System Shared |
| Base clock | — | 300 MHz |
| Boost clock | — | 800 MHz |
Memory Configuration
| Memory size | 1024 MB | System Shared |
|---|---|---|
| Memory type | GDDR5 | System Shared |
| Memory bus width | 128 bit | System Shared |
| Bandwidth | 96.00 GB/s | System Dependent |
Render Configuration
| Shading units | 896 | 384 |
|---|---|---|
| TMUs | 56 | 48 |
| ROPs | 16 | 6 |
| Compute units | 14 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 256 KB | — |
| Execution units | — | 48 |
Performance
| Pixel rate | 16.80 GPixel/s | 4.800 GPixel/s |
|---|---|---|
| Texture rate | 58.80 GTexel/s | 38.40 GTexel/s |
| FP32 (float) performance | 1.882 TFLOPS | 614.4 GFLOPS |
| FP64 (double) performance | 117.6 GFLOPS (1:16) | 153.6 GFLOPS (1:4) |
Dimensions & Outputs
| Slot width | Dual-slot | IGP |
|---|---|---|
| Length | 183 mm 7.2 inches | — |
| TDP | 85 W | 15 W |
| Suggested PSU | 250 W | — |
| Outputs | 1x DVI1x HDMI2x mini-DisplayPort | No outputs |
| Power connectors | 1x 6-pin | — |
API Support & Features
| DirectX | 12 (12_0) | 12 (11_1) |
|---|---|---|
| OpenGL | 4.6 | 4.4 |
| OpenCL | 2.0 | 3.0 |
| Vulkan | 1.2 | 1.0 |
| Shader model | 6.3 | 5.1 |
Other Features
Integrated Graphics
| Release date | — | Sep 5th, 2014 |
|---|---|---|
| Generation | — | HD Graphics-W (Broadwell) |
| Production | — | End-of-life |
| Interface | — | Ring Bus |
| Reviews | — | 1 in our database |
