NVIDIA GeForce RTX 5090 DD vs NVIDIA GeForce GTX 660 OEM
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Aug 2012
Generation
GeForce 50
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2017 MHz
823 MHz
Boost Clock
2407 MHz
888 MHz
Memory Clock
1750 MHz
1400 MHz
Memory
Memory Size
24GB
1536MB
Memory Type
GDDR7
GDDR5
Memory Bus
384bit
192bit
Bandwidth
1.34TB/s
134.4GB/s
Render Config
SM Count
170
—
Shading Units
21760
1152
TMUs
680
96
ROPs
176
24
Tensor Cores
680
—
RT Cores
170
—
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
96 MB
384 KB
Theoretical Performance
Pixel Rate
423.6 GPixel/s
21.31 GPixel/s
Texture Rate
1636.8 GTexel/s
85.25 GTexel/s
FP16 (half)
104.8 TFLOPS
—
FP32 (float)
104.8 TFLOPS
2.046 TFLOPS
FP64 (double)
1.637 TFLOPS
85.25 GFLOPS
Graphics Processor
GPU Name
GB202
GK104
GPU Variant
GB202-240-K1-A1
GK104-200-KD-A2
Architecture
Blackwell 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
92.2 billion
3.54 billion
Die Size
750 mm²
294 mm²
Board Design
TDP
575W
130W
Suggested PSU
950 W
300 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 16-pin
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.1
CUDA
12.0
3.0
Shader Model
6.8
5.1
Benchmark
3DMark Time Spy
—
1,194
3DMark Time Spy Extreme
—
260
▲ Specs Compare
Data sourced from official specifications and benchmark tests.