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NVIDIA Tesla C870
- Graphics Processor
- G80
- Cores
- 128
- TMUs
- 32
- ROPs
- 24
- Memory Size
- 1536 MB
- Memory Type
- GDDR3
- Bus Width
- 384 bit
GPU
The Tesla C870 was an enthusiast-class professional graphics card by NVIDIA, launched on May 2nd, 2007. Built on the 90 nm process, and based on the G80 graphics processor, the card supports DirectX 11.1. Even though it supports DirectX 11, the feature level is only 10_0, which can be problematic with many DirectX 11 & DirectX 12 titles. The G80 graphics processor is a large chip with a die area of 484 mm² and 681 million transistors. It features 128 shading units, 32 texture mapping units, and 24 ROPs. NVIDIA has paired 1,536 MB GDDR3 memory with the Tesla C870, which are connected using a 384-bit memory interface. The GPU is operating at a frequency of 600 MHz, memory is running at 800 MHz.
Being a dual-slot card, the NVIDIA Tesla C870 draws power from 2x 6-pin power connectors, with power draw rated at 171 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Tesla C870 is connected to the rest of the system using a PCI-Express 1.0 x16 interface. Its price at launch was 1499 US Dollars.
Being a dual-slot card, the NVIDIA Tesla C870 draws power from 2x 6-pin power connectors, with power draw rated at 171 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Tesla C870 is connected to the rest of the system using a PCI-Express 1.0 x16 interface. Its price at launch was 1499 US Dollars.
Graphics Processor
Graphics Card
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
- 600 MHz
- Shader Clock
- 1350 MHz
- Memory Clock
-
800 MHz
1600 Mbps effective
Memory
- Memory Size
- 1536 MB
- Memory Type
- GDDR3
- Memory Bus
- 384 bit
- Bandwidth
- 76.80 GB/s
Render Config
- Shading Units
- 128
- TMUs
- 32
- ROPs
- 24
- SM Count
- 16
- L2 Cache
- 96 KB
Theoretical Performance
- Pixel Rate
- 14.40 GPixel/s
- Texture Rate
- 38.40 GTexel/s
- FP32 (float)
- 345.6 GFLOPS
Board Design
- Slot Width
- Dual-slot
- TDP
- 171 W
- Suggested PSU
- 450 W
- Outputs
- No outputs
- Power Connectors
- 2x 6-pin
- Board Number
- Q357 SKU 501
Graphics Features
- DirectX
- 11.1 (10_0)
- OpenGL
- 3.3
- OpenCL
- 1.1 (1.0)
- Vulkan
- N/A
- CUDA
- 1.0
- Shader Model
- 4.0
G80 GPU Notes
| Each Streaming Multiprocessor(SM) in the chip architecture contains 8 SPs and 2 SFUs. Each SP can fulfill up to two single precision operations MAD per clock. Each SFU can fulfill up to four operations SF per clock (these units can also handle single-precision floating-point multiplications per clock). The approximate ratio of operations MAD to operations SF is equal 2:1. The theoretical SP + SFU performance in single-precision floating point operations [FLOPSsp + sfu, GFLOPS] of the graphics card with shader count [n] and shader frequency [f, GHz], is estimated by the following formula: FLOPSsp+sfu; f × n × 3. Alternative formula: FLOPSsp+sfu; f × m × ( 8 SPs * 2 (MAD) + 4 * 2 SFUs ). [m] - SM count. SP - Shader Processor (Unified Shader, CUDA Core) SFU - Special Function Unit SM - Streaming Multiprocessor MAD - ADD+MUL |
Apr 16th, 2024 01:26 EDT
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