GPU Comparison
GEFORCE
NVIDIA GeForce GTX 660
CORE STATE
GK106
VRAM
2 GB
CLOCK SPEED
1032 MHz
TDP
140 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
GeForce RTX 4090 D
CORE STATE
AD102
VRAM
24 GB
CLOCK SPEED
2520 MHz
TDP
425 W
BUS WIDTH
384 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 660
RTX 4090 D
Core Specs
Shading Units
960
14,592
+1420.0%
Shaders
960
14,592
+1420.0%
TMUs
80
456
+470.0%
ROPs
24
176
+633.3%
SM Count
—
114
Clocks
Base Clock
980 MHz
2280 MHz
Boost Clock
1032 MHz
2520 MHz
Memory Clock
1502 MHz
6 Gbps effective
1313 MHz
21 Gbps effective
Memory
Memory Size
2 GB
24 GB
VRAM (MB)
2,048
24,576
+1100.0%
Memory Type
GDDR5
GDDR6X
Memory Bus
192 bit
384 bit
Bandwidth
144.2 GB/s
1.01 TB/s
Cache
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
384 KB
72 MB
Performance
Pixel Rate
20.64 GPixel/s
443.5 GPixel/s
Texture Rate
82.56 GTexel/s
1,149.1 GTexel/s
FP32 (TFLOPS)
1.981 TFLOPS
73.54 TFLOPS
FP64 (TFLOPS)
82.56 GFLOPS (1:24)
1,149.1 GFLOPS (1:64)
FP16 (TFLOPS)
—
73.54 TFLOPS (1:1)
AI/RT
RT Cores
—
114
Tensor Cores
—
456
Power
TDP
140 W
425 W
TDP (W)
140
425
+203.6%
Suggested PSU
300 W
800 W
Power Connectors
1x 6-pin
1x 16-pin
Architecture
Architecture
Kepler
Ada Lovelace
GPU Name
GK106
AD102
Generation
GeForce 600
GeForce 40
Process Size
28 nm
5 nm
Transistors
2,540 million
76,300 million
Die Size
221 mm²
609 mm²
Foundry
TSMC
TSMC
Density
11.5M / mm²
125.3M / mm²
API Support
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.4
OpenCL
3.0
3.0
CUDA
3.0
8.9
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Triple-slot
Length
241 mm
9.5 inches
304 mm
12 inches
Height
—
137 mm
5.4 inches
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
229 USD
1,599 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 500
GeForce 30
Successor
GeForce 700
GeForce 50