NVIDIA GeForce GTX 660 Ti vs Intel Arc B770
GPU Specs Compare
Graphics Card
Release Date
Aug 2012
Jan 2026
Generation
GeForce 600
Battlemage
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
915 MHz
2100 MHz
Boost Clock
980 MHz
2400 MHz
Memory Clock
1502 MHz
2000 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
256bit
Bandwidth
144.2GB/s
512.0GB/s
Render Config
Shading Units
1344
4096
TMUs
112
256
ROPs
24
128
L1 Cache
16 KB (per SMX)
-
L2 Cache
384 KB
16 MB
RT Cores
-
32
Theoretical Performance
Pixel Rate
27.44 GPixel/s
307.2 GPixel/s
Texture Rate
109.8 GTexel/s
614.4 GTexel/s
FP32 (float)
2.634 TFLOPS
19.66 TFLOPS
FP64 (double)
109.8 GFLOPS
2.458 TFLOPS
FP16 (half)
-
39.32 TFLOPS
Graphics Processor
GPU Name
GK104
BMG-G31
GPU Variant
GK104-300-KD-A2
-
Architecture
Kepler
Xe2-HPG
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
3.54 billion
Unknown
Die Size
294 mm²
Unknown
Board Design
TDP
150W
225W
Suggested PSU
450 W
550 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
2x 6-pin
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