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NVIDIA GeForce GTX 645 OEM
- Graphics Processor
- GK106S
- Cores
- 576
- TMUs
- 48
- ROPs
- 16
- Memory Size
- 1024 MB
- Memory Type
- GDDR5
- Bus Width
- 128 bit
GPU
Recommended Gaming Resolutions:
- 1366x768
- 1600x900
- 1920x1080
The GeForce GTX 645 OEM was a graphics card by NVIDIA, launched on April 22nd, 2013. Built on the 28 nm process, and based on the GK106S graphics processor, in its GK106-200-A1 variant, the card supports DirectX 12. Even though it supports DirectX 12, the feature level is only 11_0, which can be problematic with newer DirectX 12 titles. The GK106S graphics processor is an average sized chip with a die area of 221 mm² and 2,540 million transistors. Unlike the fully unlocked GeForce GTX 650 Ti, which uses the same GPU but has all 768 shaders enabled, NVIDIA has disabled some shading units on the GeForce GTX 645 OEM to reach the product's target shader count. It features 576 shading units, 48 texture mapping units, and 16 ROPs. NVIDIA has paired 1,024 MB GDDR5 memory with the GeForce GTX 645 OEM, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 824 MHz, memory is running at 1000 MHz (4 Gbps effective).
Being a single-slot card, the NVIDIA GeForce GTX 645 OEM does not require any additional power connector, its power draw is rated at 65 W maximum. Display outputs include: 1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2. GeForce GTX 645 OEM is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 147 mm in length, and features a single-slot cooling solution.
Being a single-slot card, the NVIDIA GeForce GTX 645 OEM does not require any additional power connector, its power draw is rated at 65 W maximum. Display outputs include: 1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2. GeForce GTX 645 OEM is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 147 mm in length, and features a single-slot cooling solution.
Graphics Processor
Graphics Card
- Release Date
- Apr 22nd, 2013
- Generation
- GeForce 600
- Predecessor
- GeForce 500
- Successor
- GeForce 700
- Production
- End-of-life
- Bus Interface
- PCIe 3.0 x16
Relative Performance
Based on TPU review data: "Performance Summary" at 1920x1080, 4K for 2080 Ti and faster.
Performance estimated based on architecture, shader count and clocks.
Clock Speeds
- GPU Clock
- 824 MHz
- Memory Clock
-
1000 MHz
4 Gbps effective
Memory
- Memory Size
- 1024 MB
- Memory Type
- GDDR5
- Memory Bus
- 128 bit
- Bandwidth
- 64.00 GB/s
Render Config
- Shading Units
- 576
- TMUs
- 48
- ROPs
- 16
- SMX Count
- 3
- L1 Cache
- 16 KB (per SMX)
- L2 Cache
- 256 KB
Theoretical Performance
- Pixel Rate
- 9.888 GPixel/s
- Texture Rate
- 39.55 GTexel/s
- FP32 (float)
- 949.2 GFLOPS
- FP64 (double)
- 39.55 GFLOPS (1:24)
Board Design
- Slot Width
- Single-slot
- Length
- 147 mm
5.8 inches
- TDP
- 65 W
- Suggested PSU
- 250 W
- Outputs
- 1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
- Power Connectors
- None
- Board Number
- P2010 SKU 20
Graphics Features
- DirectX
- 12 (11_0)
- OpenGL
- 4.6
- OpenCL
- 3.0
- Vulkan
- 1.2.175
- CUDA
- 3.0
- Shader Model
- 6.5 (5.1)
GK106S GPU Notes
| NVENC: 1st Gen NVDEC: 1st Gen PureVideo HD: VP5 VDPAU: Feature Set D L1 Cache is configurable from 16 KB up to 48 KB per SMX |
Apr 23rd, 2024 22:32 EDT
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