NVIDIA Tesla K20X vs AMD Radeon RX 480
GPU · Specs Compare
Graphics Card
Release Date
Nov 2012
Jun 2016
Generation
Tesla
Arctic Islands
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1300 MHz
2000 MHz
Base Clock
—
1120 MHz
Boost Clock
—
1266 MHz
Memory
Memory Size
6GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
249.6GB/s
256.0GB/s
Render Config
Shading Units
2688
2304
TMUs
224
144
ROPs
48
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
2 MB
Compute Units
—
36
Theoretical Performance
Pixel Rate
40.99 GPixel/s
40.51 GPixel/s
Texture Rate
164.0 GTexel/s
182.3 GTexel/s
FP32 (float)
3.935 TFLOPS
5.834 TFLOPS
FP64 (double)
1312 GFLOPS
364.6 GFLOPS
FP16 (half)
—
5.834 TFLOPS
Graphics Processor
GPU Name
GK110
Ellesmere
Architecture
Kepler
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
7.08 billion
5.7 billion
Die Size
561 mm²
232 mm²
GPU Variant
—
Polaris 10 XT(215-0876184)
Board Design
TDP
235W
150W
Suggested PSU
550 W
450 W
Outputs
No outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.3
CUDA
3.5
—
Shader Model
5.1
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.