NVIDIA Tesla K80 vs AMD Radeon R9 280X
GPU · Specs Compare
Graphics Card
Release Date
Nov 2014
Oct 2013
Generation
Tesla
Volcanic Islands
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
562 MHz
850 MHz
Boost Clock
824 MHz
1000 MHz
Memory Clock
1253 MHz
1500 MHz
Memory
Memory Size
12GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
384bit
Bandwidth
240.6GB/s
288.0GB/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
768 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
42.85 GPixel/s
32.00 GPixel/s
Texture Rate
171.4 GTexel/s
128.0 GTexel/s
FP32 (float)
4.113 TFLOPS
4.096 TFLOPS
FP64 (double)
1371 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
GK210
Tahiti
GPU Variant
GK210-885-A1
Tahiti XTL(215-0821065)
Architecture
Kepler 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.1 billion
4.313 billion
Die Size
561 mm²
352 mm²
Board Design
TDP
300W
250W
Suggested PSU
700 W
600 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 8-pin
1x 6-pin + 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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.