NVIDIA GeForce GTX 660 OEM vs AMD Radeon Instinct MI50
GPU Specs Compare
Graphics Card
Release Date
Aug 2012
Nov 2018
Generation
GeForce 600
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
823 MHz
1200 MHz
Boost Clock
888 MHz
1746 MHz
Memory Clock
1400 MHz
1000 MHz
Memory
Memory Size
1536MB
16GB
Memory Type
GDDR5
HBM2
Memory Bus
192bit
4096bit
Bandwidth
134.4GB/s
1.02TB/s
Render Config
Shading Units
1152
3840
TMUs
96
240
ROPs
24
64
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
384 KB
4 MB
Compute Units
-
60
RT Cores
-
32
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
21.31 GPixel/s
111.7 GPixel/s
Texture Rate
85.25 GTexel/s
419.0 GTexel/s
FP32 (float)
2.046 TFLOPS
13.41 TFLOPS
FP64 (double)
85.25 GFLOPS
6.705 TFLOPS
FP16 (half)
-
26.82 TFLOPS
Graphics Processor
GPU Name
GK104
Vega 20
GPU Variant
GK104-200-KD-A2
Vega 20 GLXT
Architecture
Kepler
GCN 5.1
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
3.54 billion
13.23 billion
Die Size
294 mm²
331 mm²
Board Design
TDP
130W
300W
Suggested PSU
300 W
700 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x mini-DisplayPort 1.4a
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.3
CUDA
3.0
-
Shader Model
5.1
6.7
📊 Benchmark
3DMark Time Spy
1,194
-
3DMark Time Spy Extreme
260
-