NVIDIA Tesla C870 vs NVIDIA GRID K1
We compared two Professional market GPUs: 1536MB VRAM Tesla C870 and 4GB VRAM GRID K1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla C870 's Advantages
Larger VRAM bandwidth (76.80GB/s vs 28.51GB/s)
NVIDIA GRID K1 's Advantages
Released 5 years and 10 months late
More VRAM (4GB vs 1536GB)
64 additional rendering cores
Lower TDP (130W vs 171W)
Score
Benchmark
FP32 (float)
Tesla C870
+6%
0.346 TFLOPS
GRID K1
0.326 TFLOPS
Graphics Card
May 2007
Release Date
Mar 2013
Tesla
Generation
GRID
Professional
Type
Professional
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
800 MHz
Memory Clock
891 MHz
Memory
1536MB
Memory Size
4GB
GDDR3
Memory Type
DDR3
384bit
Memory Bus
128bit
76.80GB/s
Bandwidth
28.51GB/s
Render Config
-
-
-
16
SM Count
-
128
Shading Units
192
32
TMUs
16
24
ROPs
16
-
-
-
-
-
-
-
L1 Cache
16 KB (per SMX)
96 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
14.40 GPixel/s
Pixel Rate
3.400 GPixel/s
38.40 GTexel/s
Texture Rate
13.60 GTexel/s
-
-
-
345.6 GFLOPS
FP32 (float)
326.4 GFLOPS
-
FP64 (double)
13.60 GFLOPS
Board Design
171W
TDP
130W
450 W
Suggested PSU
300 W
No outputs
Outputs
No outputs
2x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
G80
GPU Name
GK107
-
GPU Variant
GK107-450-A2
Tesla
Architecture
Kepler
TSMC
Foundry
TSMC
90 nm
Process Size
28 nm
0.681 billion
Transistors
1.27 billion
484 mm²
Die Size
118 mm²
Graphics Features
11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1 (1.0)
OpenCL
3.0
N/A
Vulkan
1.1
1.0
CUDA
3.0
4.0
Shader Model
5.1
