AMD Radeon Instinct MI308X vs NVIDIA GeForce GTX 660 OEM
We compared two Desktop platform GPUs: 192GB VRAM Radeon Instinct MI308X and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Instinct MI308X 's Advantages
Released 11 years and 4 months late
Boost Clock has increased by 136% (2100MHz vs 888MHz)
More VRAM (192GB vs 1536GB)
Larger VRAM bandwidth (10.3TB/s vs 134.4GB/s)
18304 additional rendering cores
NVIDIA GeForce GTX 660 OEM 's Advantages
Lower TDP (130W vs 750W)
Score
Benchmark
FP32 (float)
Radeon Instinct MI308X
+3894%
81.72 TFLOPS
GeForce GTX 660 OEM
2.046 TFLOPS
Graphics Card
Dec 2023
Release Date
Aug 2012
Radeon Instinct
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 5.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1000 MHz
Base Clock
823 MHz
2100 MHz
Boost Clock
888 MHz
2525 MHz
Memory Clock
1400 MHz
Memory
192GB
Memory Size
1536MB
HBM3
Memory Type
GDDR5
8192bit
Memory Bus
192bit
10.3TB/s
Bandwidth
134.4GB/s
Render Config
304
Compute Units
-
-
-
-
19456
Shading Units
1152
1216
TMUs
96
0
ROPs
24
1216
Tensor Cores
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
16 MB
L2 Cache
384 KB
256 MB
L3 Cache
-
Theoretical Performance
0 MPixel/s
Pixel Rate
21.31 GPixel/s
2554 GTexel/s
Texture Rate
85.25 GTexel/s
653.7 TFLOPS
FP16 (half)
-
81.72 TFLOPS
FP32 (float)
2.046 TFLOPS
81.72 TFLOPS
FP64 (double)
85.25 GFLOPS
Board Design
750W
TDP
130W
1150 W
Suggested PSU
300 W
No outputs
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
1x 6-pin
Graphics Processor
Aqua Vanjaram
GPU Name
GK104
-
GPU Variant
GK104-200-KD-A2
CDNA 3.0
Architecture
Kepler
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
153 billion
Transistors
3.54 billion
1017 mm²
Die Size
294 mm²
Graphics Features
N/A
DirectX
12 (11_0)
N/A
OpenGL
4.6
3.0
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
N/A
Shader Model
5.1
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