NVIDIA Tesla K20c vs AMD Radeon Instinct MI250X
GPU · Specs Compare
Graphics Card
Release Date
Nov 2012
Nov 2021
Generation
Tesla
Radeon Instinct
Type
Professional
Professional
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1300 MHz
1600 MHz
Base Clock
—
1000 MHz
Boost Clock
—
1700 MHz
Memory
Memory Size
5GB
128GB
Memory Type
GDDR5
HBM2e
Memory Bus
320bit
8192bit
Bandwidth
208.0GB/s
3277GB/s
Render Config
Shading Units
2496
14080
TMUs
208
880
ROPs
40
0
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1280 KB
16 MB
Compute Units
—
220
Theoretical Performance
Pixel Rate
36.71 GPixel/s
0 MPixel/s
Texture Rate
146.8 GTexel/s
1496 GTexel/s
FP32 (float)
3.524 TFLOPS
47.87 TFLOPS
FP64 (double)
1175 GFLOPS
47.87 TFLOPS
FP16 (half)
—
383.0 TFLOPS
Graphics Processor
GPU Name
GK110
Aldebaran
GPU Variant
GK110-885-KA-A1
Aldebaran XT
Architecture
Kepler
CDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
7.08 billion
58.2 billion
Die Size
561 mm²
Unknown
Board Design
TDP
225W
500W
Suggested PSU
550 W
900 W
Outputs
No outputs
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (11_0)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.1
N/A
CUDA
3.5
—
Shader Model
5.1
N/A
Benchmark
OctaneBench
55
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.