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GPU Comparison
NVIDIA Tesla C870 vs NVIDIA Tesla K80
NVIDIA Tesla C870 vs NVIDIA Tesla K80
VS
NVIDIA Tesla C870
NVIDIA Tesla K80
We compared two Professional market GPUs: 1536MB VRAM Tesla C870 and 12GB VRAM Tesla K80 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla C870 's Advantages
Lower TDP (171W vs 300W)
NVIDIA Tesla K80 's Advantages
Released 7 years and 6 months late
Boost Clock824MHz
More VRAM (12GB vs 1GB)
Larger VRAM bandwidth (240.6GB/s vs 76.80GB/s)
2368 additional rendering cores
Score
Benchmark
FP32 (float)
Tesla C870
0.346 TFLOPS
Tesla K80
+1088%
4.113 TFLOPS
Tesla C870
VS
Tesla K80
Graphics Card
May 2007
Release Date
Nov 2014
Tesla
Generation
Tesla
Professional
Type
Professional
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
562 MHz
-
Boost Clock
824 MHz
800 MHz
Memory Clock
1253 MHz
Memory
1536MB
Memory Size
12GB
GDDR3
Memory Type
GDDR5
384bit
Memory Bus
384bit
76.80GB/s
Bandwidth
240.6GB/s
Render Config
16
SM Count
-
-
Compute Units
-
128
Shading Units
2496
32
TMUs
208
24
ROPs
48
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per SMX)
96 KB
L2 Cache
1536 KB
Theoretical Performance
14.40 GPixel/s
Pixel Rate
42.85 GPixel/s
38.40 GTexel/s
Texture Rate
171.4 GTexel/s
-
FP16 (half)
-
345.6 GFLOPS
FP32 (float)
4.113 TFLOPS
-
FP64 (double)
1371 GFLOPS
Graphics Processor
G80
GPU Name
GK210
-
GPU Variant
GK210-885-A1
Tesla
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
90 nm
Process Size
28 nm
0.681 billion
Transistors
7.1 billion
484 mm²
Die Size
561 mm²
Board Design
171W
TDP
300W
450 W
Suggested PSU
700 W
No outputs
Outputs
No outputs
2x 6-pin
Power Connectors
1x 8-pin
Graphics Features
11.1 (10_0)
DirectX
12 (11_1)
3.3
OpenGL
4.6
1.1 (1.0)
OpenCL
3.0
N/A
Vulkan
1.1
1.0
CUDA
3.7
4.0
Shader Model
5.1
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