GPU Comparison
GEFORCE
NVIDIA GeForce GTX 660 Ti
CORE STATE
GK104
VRAM
2 GB
CLOCK SPEED
980 MHz
TDP
150 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
RTX 4000 SFF Ada Generation
CORE STATE
AD104
VRAM
20 GB
CLOCK SPEED
1560 MHz
TDP
70 W
BUS WIDTH
160 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 660 Ti
RTX 4000 SFF Ada Generation
Core Specs
Shading Units
1,344
6,144
+357.1%
Shaders
1,344
6,144
+357.1%
TMUs
112
192
+71.4%
ROPs
24
64
+166.7%
SM Count
—
48
Clocks
Base Clock
915 MHz
720 MHz
Boost Clock
980 MHz
1560 MHz
Memory Clock
1502 MHz
6 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
2 GB
20 GB
VRAM (MB)
2,048
20,480
+900.0%
Memory Type
GDDR5
GDDR6
Memory Bus
192 bit
160 bit
Bandwidth
144.2 GB/s
280.0 GB/s
Cache
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
384 KB
48 MB
Performance
Pixel Rate
27.44 GPixel/s
99.84 GPixel/s
Texture Rate
109.8 GTexel/s
299.5 GTexel/s
FP32 (TFLOPS)
2.634 TFLOPS
19.17 TFLOPS
FP64 (TFLOPS)
109.8 GFLOPS (1:24)
299.5 GFLOPS (1:64)
FP16 (TFLOPS)
—
19.17 TFLOPS (1:1)
AI/RT
RT Cores
—
48
Tensor Cores
—
192
Power
TDP
150 W
70 W
TDP (W)
150
70
-53.3%
Suggested PSU
450 W
250 W
Power Connectors
2x 6-pin
None
Architecture
Architecture
Kepler
Ada Lovelace
GPU Name
GK104
AD104
Generation
GeForce 600
Workstation Ada
(x000A)
Process Size
28 nm
5 nm
Transistors
3,540 million
35,800 million
Die Size
294 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.0M / mm²
121.8M / 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
Dual-slot
Length
241 mm
9.5 inches
168 mm
6.6 inches
Height
—
69 mm
2.7 inches
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
299 USD
—
Production
End-of-life
Active
Predecessor
GeForce 500
Workstation Ampere
Successor
GeForce 700
Blackwell PRO W