NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon RX 6750 XT
GPU Specs Compare
Graphics Card
Release Date
Sep 2014
Mar 2022
Generation
GeForce 600
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
980 MHz
2150 MHz
Boost Clock
1032 MHz
2600 MHz
Memory Clock
1502 MHz
2250 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
192bit
Bandwidth
144.2GB/s
432.0GB/s
Render Config
Shading Units
960
2560
TMUs
80
160
ROPs
24
64
L1 Cache
16 KB (per SMX)
128 KB per Array
L2 Cache
384 KB
3 MB
Compute Units
-
40
RT Cores
-
40
L3 Cache
-
96 MB
Theoretical Performance
Pixel Rate
20.64 GPixel/s
166.4 GPixel/s
Texture Rate
82.56 GTexel/s
416.0 GTexel/s
FP32 (float)
1.981 TFLOPS
13.31 TFLOPS
FP64 (double)
82.56 GFLOPS
832.0 GFLOPS
FP16 (half)
-
26.62 TFLOPS
Graphics Processor
GPU Name
GK104
Navi 22
Architecture
Kepler
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
3.54 billion
17.2 billion
Die Size
294 mm²
335 mm²
GPU Variant
-
Navi 22 KXT(215-127000144)
Board Design
TDP
140W
250W
Suggested PSU
300 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 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
2.1
Vulkan
1.1
1.3
CUDA
3.0
-
Shader Model
5.1
6.5