Home GPU Comparison NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce RTX 5090

NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce RTX 5090

NVIDIA GeForce GTX 660 Rev. 2
VS
NVIDIA GeForce RTX 5090
NVIDIA GeForce GTX 660 Rev. 2
NVIDIA GeForce RTX 5090
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 32GB VRAM GeForce RTX 5090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Lower TDP (140W vs 500W)
NVIDIA GeForce RTX 5090 's Advantages
Released 10 years and 4 months late
Boost Clock has increased by 144% (2520MHz vs 1032MHz)
More VRAM (32GB vs 2GB)
Larger VRAM bandwidth (1.52TB/s vs 144.2GB/s)
20800 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 660 Rev. 2
1.981 TFLOPS
GeForce RTX 5090 +5437%
109.7 TFLOPS
GeForce GTX 660 Rev. 2
VS
GeForce RTX 5090

Graphics Card

Sep 2014
Release Date
Jan 2025
GeForce 600
Generation
GeForce 50
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 5.0 x16

Clock Speeds

980 MHz
Base Clock
2235 MHz
1032 MHz
Boost Clock
2520 MHz
1502 MHz
Memory Clock
1875 MHz

Memory

2GB
Memory Size
32GB
GDDR5
Memory Type
GDDR7
192bit
Memory Bus
512bit
144.2GB/s
Bandwidth
1.52TB/s

Render Config

-
-
-
-
SM Count
170
960
Shading Units
21760
80
TMUs
680
24
ROPs
192
-
Tensor Cores
680
-
RT Cores
170
16 KB (per SMX)
L1 Cache
128 KB (per SM)
384 KB
L2 Cache
88 MB
-
-
-

Theoretical Performance

20.64 GPixel/s
Pixel Rate
483.8 GPixel/s
82.56 GTexel/s
Texture Rate
1714 GTexel/s
-
FP16 (half)
109.7 TFLOPS
1.981 TFLOPS
FP32 (float)
109.7 TFLOPS
82.56 GFLOPS
FP64 (double)
1.714 TFLOPS

Board Design

140W
TDP
500W
300 W
Suggested PSU
900 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.1 3x DisplayPort 2.1a
1x 6-pin
Power Connectors
1x 16-pin

Graphics Processor

GK104
GPU Name
GB202
-
GPU Variant
GB202-400-A1
Kepler
Architecture
Blackwell 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
4 nm
3.54 billion
Transistors
Unknown
294 mm²
Die Size
Unknown

Graphics Features

12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
10.1
5.1
Shader Model
6.8

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