NVIDIA GeForce GTX 660 vs NVIDIA GeForce RTX 5090 D
GPU Specs Compare
Graphics Card
Release Date
Sep 2012
Jan 2025
Generation
GeForce 600
GeForce 50
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
980 MHz
2017 MHz
Boost Clock
1032 MHz
2407 MHz
Memory Clock
1502 MHz
1750 MHz
Memory
Memory Size
2GB
32GB
Memory Type
GDDR5
GDDR7
Memory Bus
192bit
512bit
Bandwidth
144.2GB/s
1.79TB/s
Render Config
Shading Units
960
21760
TMUs
80
680
ROPs
24
176
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
384 KB
96 MB
SM Count
-
170
Tensor Cores
-
680
RT Cores
-
170
Theoretical Performance
Pixel Rate
20.64 GPixel/s
423.6 GPixel/s
Texture Rate
82.56 GTexel/s
1636.8 GTexel/s
FP32 (float)
1.981 TFLOPS
104.8 TFLOPS
FP64 (double)
82.56 GFLOPS
1.637 TFLOPS
FP16 (half)
-
104.8 TFLOPS
Graphics Processor
GPU Name
GK106
GB202
GPU Variant
GK106-400-A1
GB202-250-A1
Architecture
Kepler
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.54 billion
92.2 billion
Die Size
221 mm²
750 mm²
Board Design
TDP
140W
575W
Suggested PSU
300 W
950 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.1b3x DisplayPort 2.1b
Power Connectors
1x 6-pin
1x 16-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
12.0
Shader Model
5.1
6.8
📊 Benchmark
3DMark Time Spy
1,194
48,052
3DMark Time Spy Extreme
260
25,999
OctaneBench
27
-
Blender
111
-
3DMark Speed Way
-
14,790