AMD Radeon Instinct MI355X vs NVIDIA GeForce GTX 660 Ti
GPU · Specs Compare
Graphics Card
Release Date
Jun 2025
Aug 2012
Generation
Radeon Instinct
GeForce 600
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
915 MHz
Boost Clock
2400 MHz
980 MHz
Memory Clock
2000 MHz
1502 MHz
Memory
Memory Size
288GB
2GB
Memory Type
HBM3e
GDDR5
Memory Bus
8192bit
192bit
Bandwidth
8.19TB/s
144.2GB/s
Render Config
Compute Units
256
—
Shading Units
16384
1344
TMUs
1024
112
ROPs
0
24
Tensor Cores
1216
—
L1 Cache
32 KB (per CU)
16 KB (per SMX)
L2 Cache
32 MB
384 KB
L3 Cache
256 MB
—
Theoretical Performance
Pixel Rate
0 MPixel/s
27.44 GPixel/s
Texture Rate
2457.6 GTexel/s
109.8 GTexel/s
FP16 (half)
78.64 TFLOPS
—
FP32 (float)
78.64 TFLOPS
2.634 TFLOPS
FP64 (double)
39.32 TFLOPS
109.8 GFLOPS
Graphics Processor
GPU Name
MI350 256CU
GK104
Architecture
CDNA 4.0
Kepler
Foundry
TSMC
TSMC
Process Size
3 nm
28 nm
Transistors
185 billion
3.54 billion
Die Size
Unknown
294 mm²
GPU Variant
—
GK104-300-KD-A2
Board Design
TDP
1400W
150W
Suggested PSU
1800 W
450 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
2x 6-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
—
3.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.