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 A5500
CORE STATE
GA102
VRAM
24 GB
CLOCK SPEED
1665 MHz
TDP
230 W
BUS WIDTH
384 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 660 Ti
RTX A5500
Core Specs
Shading Units
1,344
10,240
+661.9%
Shaders
1,344
10,240
+661.9%
TMUs
112
320
+185.7%
ROPs
24
96
+300.0%
SM Count
—
80
Clocks
Base Clock
915 MHz
1080 MHz
Boost Clock
980 MHz
1665 MHz
Memory Clock
1502 MHz
6 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
2 GB
24 GB
VRAM (MB)
2,048
24,576
+1100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
192 bit
384 bit
Bandwidth
144.2 GB/s
768.0 GB/s
Cache
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
384 KB
6 MB
Performance
Pixel Rate
27.44 GPixel/s
159.8 GPixel/s
Texture Rate
109.8 GTexel/s
532.8 GTexel/s
FP32 (TFLOPS)
2.634 TFLOPS
34.10 TFLOPS
FP64 (TFLOPS)
109.8 GFLOPS (1:24)
532.8 GFLOPS (1:64)
FP16 (TFLOPS)
—
34.10 TFLOPS (1:1)
AI/RT
RT Cores
—
80
Tensor Cores
—
320
Power
TDP
150 W
230 W
TDP (W)
150
230
+53.3%
Suggested PSU
450 W
550 W
Power Connectors
2x 6-pin
1x 8-pin
Architecture
Architecture
Kepler
Ampere
GPU Name
GK104
GA102
Generation
GeForce 600
Workstation Ampere
(Ax000)
Process Size
28 nm
8 nm
Transistors
3,540 million
28,300 million
Die Size
294 mm²
628 mm²
Foundry
TSMC
Samsung
Density
12.0M / mm²
45.1M / 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
8.6
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
241 mm
9.5 inches
267 mm
10.5 inches
Height
—
112 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
4x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
299 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 500
Quadro Turing
Successor
GeForce 700
Workstation Ada