GeForce GTX 660 Ti vs Radeon RX 9070 XT
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 16GB VRAM Radeon RX 9070 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 Ti 's Advantages
Lower TDP (150W vs 304W)
Radeon RX 9070 XT 's Advantages
Released 12 years and 7 months late
Boost Clock has increased by 203% (2970MHz vs 980MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (644.6GB/s vs 144.2GB/s)
2752 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
2634
Radeon RX 9070 XT
+1747%
48660
3DMark Time Spy
GeForce GTX 660 Ti
1616
Radeon RX 9070 XT
+1783%
30445
Graphics Card
Aug 2012
Release Date
Mar 2025
GeForce 600
Generation
Navi IV
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
915 MHz
Base Clock
1660 MHz
980 MHz
Boost Clock
2970 MHz
1502 MHz
Memory Clock
2518 MHz
Memory
2GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
192bit
Memory Bus
256bit
144.2GB/s
Bandwidth
644.6GB/s
Render Config
-
Compute Units
64
1344
Shading Units
4096
112
TMUs
256
24
ROPs
128
-
Tensor Cores
128
-
RT Cores
64
16 KB (per SMX)
L1 Cache
128 KB per Array
384 KB
L2 Cache
8 MB
-
L3 Cache
64 MB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
380.2 GPixel/s
109.8 GTexel/s
Texture Rate
760.3 GTexel/s
-
FP16 (half)
97.32 TFLOPS
2.634 TFLOPS
FP32 (float)
48.66 TFLOPS
109.8 GFLOPS
FP64 (double)
1.521 TFLOPS
Board Design
150W
TDP
304W
450 W
Suggested PSU
700 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x HDMI 2.1b
3x DisplayPort 2.1a
2x 6-pin
Power Connectors
2x 8-pin
Graphics Processor
GK104
GPU Name
Navi 48
GK104-300-KD-A2
GPU Variant
Navi 48 XT
(215-176600315)
Kepler
Architecture
RDNA 4.0
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
3.54 billion
Transistors
53.9 billion
294 mm²
Die Size
357 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.2
1.1
Vulkan
1.3
3.0
CUDA
-
5.1
Shader Model
6.8