AMD Instinct MI300X vs NVIDIA GeForce GTX 660 Rev. 2
GPU Specs Compare
Graphics Card
Release Date
Dec 2023
Sep 2014
Generation
Radeon Instinct
GeForce 600
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
980 MHz
Boost Clock
2100 MHz
1032 MHz
Memory Clock
2525 MHz
1502 MHz
Memory
Memory Size
192GB
2GB
Memory Type
HBM3
GDDR5
Memory Bus
8192bit
192bit
Bandwidth
10.3TB/s
144.2GB/s
Render Config
Compute Units
304
-
Shading Units
19456
960
TMUs
1216
80
ROPs
0
24
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
16 MB
384 KB
L3 Cache
256 MB
-
Theoretical Performance
Pixel Rate
0 MPixel/s
20.64 GPixel/s
Texture Rate
2553.6 GTexel/s
82.56 GTexel/s
FP16 (half)
653.7 TFLOPS
-
FP32 (float)
81.72 TFLOPS
1.981 TFLOPS
FP64 (double)
81.72 TFLOPS
82.56 GFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
GK104
Architecture
CDNA 3.0
Kepler
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
153 billion
3.54 billion
Die Size
1017 mm²
294 mm²
Board Design
TDP
750W
140W
Suggested PSU
1150 W
300 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 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