AMD Radeon Instinct MI355X vs NVIDIA Tesla K20X
GPU · Specs Compare
Graphics Card
Release Date
Jun 2025
Nov 2012
Generation
Radeon Instinct
Tesla
Type
Professional
Professional
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
2400 MHz
—
Memory Clock
2000 MHz
1300 MHz
Memory
Memory Size
288GB
6GB
Memory Type
HBM3e
GDDR5
Memory Bus
8192bit
384bit
Bandwidth
8.19TB/s
249.6GB/s
Render Config
Compute Units
256
—
Shading Units
16384
2688
TMUs
1024
224
ROPs
0
48
Tensor Cores
1216
—
L1 Cache
32 KB (per CU)
16 KB (per SMX)
L2 Cache
32 MB
1536 KB
L3 Cache
256 MB
—
Theoretical Performance
Pixel Rate
0 MPixel/s
40.99 GPixel/s
Texture Rate
2457.6 GTexel/s
164.0 GTexel/s
FP16 (half)
78.64 TFLOPS
—
FP32 (float)
78.64 TFLOPS
3.935 TFLOPS
FP64 (double)
39.32 TFLOPS
1312 GFLOPS
Graphics Processor
GPU Name
MI350 256CU
GK110
Architecture
CDNA 4.0
Kepler
Foundry
TSMC
TSMC
Process Size
3 nm
28 nm
Transistors
185 billion
7.08 billion
Die Size
Unknown
561 mm²
Board Design
TDP
1400W
235W
Suggested PSU
1800 W
550 W
Outputs
No outputs
No outputs
Power Connectors
None
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
N/A
12 (11_0)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.1
Shader Model
N/A
5.1
CUDA
—
3.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.