AMD Radeon Vega 8 Mobile vs ATI Radeon HD 4870
Graphics Processor
| GPU model | Picasso | RV770 |
|---|---|---|
| Architecture | GCN 5.0 | TeraScale |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 55 nm |
| Number of transistors | 4,940 million | 956 million |
| Die size | 210 mm² | 256 mm² |
| GPU variant | — | RV770 XT (215-0669049) |
Integrated Graphics
| Release date | Apr 8th, 2019 | — |
|---|---|---|
| Generation | Picasso (Vega Mobile) | — |
| Production | Active | — |
| Interface | IGP | — |
| Predecessor | Raven Ridge | — |
| Successor | Renoir | — |
Clocks
| Base clock | 300 MHz | — |
|---|---|---|
| Boost clock | 1200 MHz | — |
| Memory clock | System Shared | 900 MHz 3.6 Gbps effective |
| GPU clock | — | 750 MHz |
Memory Configuration
| Memory size | System Shared | 512 MB |
|---|---|---|
| Memory type | System Shared | GDDR5 |
| Memory bus width | System Shared | 256 bit |
| Bandwidth | System Dependent | 115.2 GB/s |
Render Configuration
| Shading units | 512 | 800 |
|---|---|---|
| TMUs | 32 | 40 |
| ROPs | 8 | 16 |
| Compute units | 8 | 10 |
| Cache L1 | — | 16 KB (per CU) |
| Cache L2 | — | 256 KB |
Performance
| Pixel rate | 9.600 GPixel/s | 12.00 GPixel/s |
|---|---|---|
| Texture rate | 38.40 GTexel/s | 30.00 GTexel/s |
| FP16 (half) performance | 2.458 TFLOPS (2:1) | — |
| FP32 (float) performance | 1,229 GFLOPS | 1,200 GFLOPS |
| FP64 (double) performance | 76.80 GFLOPS (1:16) | 240.0 GFLOPS (1:5) |
Dimensions & Outputs
| Slot width | IGP | Dual-slot |
|---|---|---|
| TDP | 15 W | 150 W |
| Outputs | No outputs | 2x DVI1x S-Video |
| Length | — | 241 mm 9.5 inches |
| Width | — | 111 mm 4.4 inches |
| Height | — | 40 mm 1.6 inches |
| Suggested PSU | — | 450 W |
| Power connectors | — | 2x 6-pin |
| Board number | — | B507-31 |
API Support & Features
| DirectX | 12 (12_1) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 4.6 | 3.3 |
| OpenCL | 2.1 | 1.1 |
| Vulkan | 1.2 | — |
| Shader model | 6.4 | 4.1 |
Other Features
Graphics Card
| Release date | — | Jun 25th, 2008 |
|---|---|---|
| Generation | — | Radeon R700 |
| Production | — | End-of-life |
| Launch price | — | 299 USD |
| Interface | — | PCIe 2.0 x16 |
| Reviews | — | 135 in our database |
| Predecessor | — | Radeon R600 |
| Successor | — | Evergreen |
