NVIDIA Tesla K80 vs AMD Radeon HD 8970M
GPU Specs Compare
Graphics Card
Release Date
Nov 2014
May 2013
Generation
Tesla
Solar System
Type
Professional
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
562 MHz
850 MHz
Boost Clock
824 MHz
900 MHz
Memory Clock
1253 MHz
1200 MHz
Memory
Memory Size
12GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
240.6GB/s
153.6GB/s
Render Config
Shading Units
2496
1280
TMUs
208
80
ROPs
48
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
512 KB
Compute Units
-
20
Theoretical Performance
Pixel Rate
42.85 GPixel/s
28.80 GPixel/s
Texture Rate
171.4 GTexel/s
72.00 GTexel/s
FP32 (float)
4.113 TFLOPS
2.304 TFLOPS
FP64 (double)
1371 GFLOPS
144.0 GFLOPS
Graphics Processor
GPU Name
GK210
Neptune
GPU Variant
GK210-885-A1
Neptune XT(216-0847000)
Architecture
Kepler 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.1 billion
2.8 billion
Die Size
561 mm²
212 mm²
Board Design
TDP
300W
100W
Suggested PSU
700 W
-
Outputs
No outputs
No outputs
Power Connectors
1x 8-pin
-
Graphics Features
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.1
1.2
CUDA
3.7
-
Shader Model
5.1
5.1