NVIDIA RTX 4000 SFF Ada Generation vs NVIDIA GeForce GTX 660
GPU Specs Compare
Graphics Card
Release Date
Nov 2018
Sep 2012
Generation
Radeon Instinct
GeForce 600
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1200 MHz
980 MHz
Boost Clock
1746 MHz
1032 MHz
Memory Clock
1000 MHz
1502 MHz
Memory
Memory Size
16GB
2GB
Memory Type
HBM2
GDDR5
Memory Bus
4096bit
192bit
Bandwidth
1.02TB/s
144.2GB/s
Render Config
SM Count
48
-
Compute Units
60
-
Shading Units
3840
960
TMUs
240
80
ROPs
64
24
Tensor Cores
192
-
RT Cores
48
-
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
4 MB
384 KB
Theoretical Performance
Pixel Rate
111.7 GPixel/s
20.64 GPixel/s
Texture Rate
419.0 GTexel/s
82.56 GTexel/s
FP16 (half)
26.82 TFLOPS
-
FP32 (float)
13.41 TFLOPS
1.981 TFLOPS
FP64 (double)
6.705 TFLOPS
82.56 GFLOPS
Graphics Processor
GPU Name
Vega 20
GK106
GPU Variant
Vega 20 GLXT
GK106-400-A1
Architecture
GCN 5.1
Kepler
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
13.23 billion
2.54 billion
Die Size
331 mm²
221 mm²
Board Design
TDP
300W
140W
Suggested PSU
700 W
300 W
Outputs
1x mini-DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 8-pin
1x 6-pin
Graphics Features
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.1
CUDA
8.9
3.0
Shader Model
6.7
5.1
📊 Benchmark
3DMark Time Spy
-
1,194
3DMark Time Spy Extreme
-
260
OctaneBench
-
27
Blender
-
111