AMD Radeon HD 7870 XT vs AMD Radeon R5 M330
Graphics Processor
| GPU model | Tahiti | Exo |
|---|---|---|
| GPU variant | Tahiti LE (215-0821122) | Exo PRO |
| Architecture | GCN 1.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 4,313 million | 690 million |
| Die size | 352 mm² | 56 mm² |
Graphics Card
| Release date | Nov 19th, 2012 | — |
|---|---|---|
| Generation | Southern Islands | — |
| Production | End-of-life | — |
| Launch price | 270 USD | — |
| Interface | PCIe 3.0 x16 | — |
| Reviews | 95 in our database | — |
| Predecessor | Northern Islands | — |
| Successor | Sea Islands | — |
Clocks
| Base clock | 925 MHz | 955 MHz |
|---|---|---|
| Boost clock | 975 MHz | 1030 MHz |
| Memory clock | 1500 MHz 6 Gbps effective | 900 MHz 1800 Mbps effective |
Memory Configuration
| Memory size | 2 GB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | DDR3 |
| Memory bus width | 256 bit | 64 bit |
| Bandwidth | 192.0 GB/s | 14.40 GB/s |
Render Configuration
| Shading units | 1536 | 320 |
|---|---|---|
| TMUs | 96 | 20 |
| ROPs | 32 | 8 |
| Compute units | 24 | 5 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 512 KB | 128 KB |
Performance
| Pixel rate | 31.20 GPixel/s | 8.240 GPixel/s |
|---|---|---|
| Texture rate | 93.60 GTexel/s | 20.60 GTexel/s |
| FP32 (float) performance | 2.995 TFLOPS | 659.2 GFLOPS |
| FP64 (double) performance | 748.8 GFLOPS (1:4) | 41.20 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Dual-slot | IGP |
|---|---|---|
| Length | 267 mm 10.5 inches | — |
| TDP | 185 W | 18 W |
| Suggested PSU | 450 W | — |
| Outputs | 1x DVI1x HDMI2x mini-DisplayPort | No outputs |
| Power connectors | 2x 6-pin | None |
| Board number | C474 | — |
API Support & Features
| DirectX | 12 (11_1) | 12 (11_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 5.0 |
Other Features
Mobile graphics
| Release date | — | May 5th, 2015 |
|---|---|---|
| Generation | — | Crystal System (R5 M300) |
| Production | — | End-of-life |
| Interface | — | PCIe 3.0 x8 |
| Predecessor | — | Solar System |
| Successor | — | Mobility Radeon |
