NVIDIA Tesla K80 vs AMD Radeon R9 M390X
GPU · Specs Compare
Graphics Card
Release Date
Nov 2014
May 2015
Generation
Tesla
Crystal System
Type
Professional
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
562 MHz
—
Boost Clock
824 MHz
—
Memory Clock
1253 MHz
1250 MHz
Memory
Memory Size
12GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
240.6GB/s
160.0GB/s
Render Config
Shading Units
2496
2048
TMUs
208
128
ROPs
48
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
512 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
42.85 GPixel/s
23.14 GPixel/s
Texture Rate
171.4 GTexel/s
92.54 GTexel/s
FP32 (float)
4.113 TFLOPS
2.961 TFLOPS
FP64 (double)
1371 GFLOPS
185.1 GFLOPS
FP16 (half)
—
2.961 TFLOPS
Graphics Processor
GPU Name
GK210
Amethyst
GPU Variant
GK210-885-A1
Amethyst XT
Architecture
Kepler 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.1 billion
5 billion
Die Size
561 mm²
366 mm²
Board Design
TDP
300W
75W
Suggested PSU
700 W
—
Outputs
No outputs
No outputs
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.1
1.2
CUDA
3.7
—
Shader Model
5.1
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.