NVIDIA GeForce GTX 660 Rev. 2 vs Intel Arc B580
GPU Specs Compare
Graphics Card
Release Date
Sep 2014
Dec 2024
Generation
GeForce 600
Battlemage
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
980 MHz
2670 MHz
Boost Clock
1032 MHz
2670 MHz
Memory Clock
1502 MHz
2375 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
192bit
Bandwidth
144.2GB/s
456.0GB/s
Render Config
Shading Units
960
2560
TMUs
80
160
ROPs
24
80
L1 Cache
16 KB (per SMX)
256 KB (per EU)
L2 Cache
384 KB
18 MB
Tensor Cores
-
160
RT Cores
-
20
Theoretical Performance
Pixel Rate
20.64 GPixel/s
213.6 GPixel/s
Texture Rate
82.56 GTexel/s
427.2 GTexel/s
FP32 (float)
1.981 TFLOPS
13.67 TFLOPS
FP64 (double)
82.56 GFLOPS
1.709 TFLOPS
FP16 (half)
-
27.34 TFLOPS
Graphics Processor
GPU Name
GK104
BMG-G21
Architecture
Kepler
Xe2
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
3.54 billion
19.6 billion
Die Size
294 mm²
272 mm²
GPU Variant
-
SRPMF
Board Design
TDP
140W
190W
Suggested PSU
300 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
1x 6-pin
1x 8-pin
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.4
CUDA
3.0
-
Shader Model
5.1
6.6
📊 Benchmark
Blender
-
1,935