AMD Radeon R9 M385 vs NVIDIA Tesla K20s
GPU Specs Compare
Graphics Card
Release Date
May 2015
Feb 2013
Generation
Gem System
Tesla
Type
Mobile
Professional
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
900 MHz
-
Boost Clock
1000 MHz
-
Memory Clock
1200 MHz
1300 MHz
Memory
Memory Size
4GB
5GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
320bit
Bandwidth
76.80GB/s
208.0GB/s
Render Config
Compute Units
14
-
Shading Units
896
2496
TMUs
56
208
ROPs
16
40
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
1280 KB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
29.90 GPixel/s
Texture Rate
56.00 GTexel/s
119.6 GTexel/s
FP32 (float)
1.792 TFLOPS
2.870 TFLOPS
FP64 (double)
112.0 GFLOPS
956.8 GFLOPS
Graphics Processor
GPU Name
Strato
GK110
GPU Variant
Strato XT
-
Architecture
GCN 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
7.08 billion
Die Size
160 mm²
561 mm²
Board Design
TDP
Unknown
225W
Outputs
Portable Device Dependent
No outputs
Suggested PSU
-
550 W
Graphics Features
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2.170
1.1
Shader Model
6.5
5.1
CUDA
-
3.5