NVIDIA GeForce GTX 650 Ti OEM vs NVIDIA GeForce GTX 870M
Graphics Processor
| GPU model | GK106 | GK104 |
|---|---|---|
| Architecture | Kepler | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 2,540 million | 3,540 million |
| Die size | 221 mm² | 294 mm² |
| GPU variant | — | N15E-GT-A2 |
Graphics Card
| Release date | Mar 31st, 2013 | — |
|---|---|---|
| Generation | GeForce 600 | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x16 | — |
| Reviews | 62 in our database | — |
| Predecessor | GeForce 500 | — |
| Successor | GeForce 700 | — |
Clocks
| GPU clock | 928 MHz | — |
|---|---|---|
| Memory clock | 1350 MHz 5.4 Gbps effective | 1250 MHz 5 Gbps effective |
| Base clock | — | 941 MHz |
| Boost clock | — | 967 MHz |
Memory Configuration
| Memory size | 2 GB | 3 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 192 bit |
| Bandwidth | 86.40 GB/s | 120.0 GB/s |
Render Configuration
| Shading units | 768 | 1344 |
|---|---|---|
| TMUs | 64 | 112 |
| ROPs | 16 | 24 |
| SMX count | 4 | 7 |
| Cache L1 | 16 KB (per SMX) | 16 KB (per SMX) |
| Cache L2 | 256 KB | 384 KB |
Performance
| Pixel rate | 14.85 GPixel/s | 27.08 GPixel/s |
|---|---|---|
| Texture rate | 59.39 GTexel/s | 108.3 GTexel/s |
| FP32 (float) performance | 1,425 GFLOPS | 2.599 TFLOPS |
| FP64 (double) performance | 59.39 GFLOPS (1:24) | 108.3 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | Single-slot | MXM Module |
|---|---|---|
| Length | 145 mm 5.7 inches | — |
| TDP | 110 W | 100 W |
| Suggested PSU | 300 W | — |
| Outputs | 2x DVI1x mini-HDMI | No outputs |
| Power connectors | 1x 6-pin | None |
| Board number | P2030 | P2053 SKU 3 |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.1 | 1.1 |
| CUDA | 3.0 | 3.0 |
| Shader model | 5.1 | 5.1 |
Other Features
Mobile graphics
| Release date | — | Mar 12th, 2014 |
|---|---|---|
| Generation | — | GeForce 800M |
| Production | — | End-of-life |
| Interface | — | MXM-B (3.0) |
| Predecessor | — | GeForce 700M |
| Successor | — | GeForce 900M |
