NVIDIA GeForce GTX 660 Ti vs AMD Radeon RX Vega Nano
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 8GB VRAM Radeon RX Vega Nano to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660 Ti 's Advantages
Lower TDP (150W vs 175W)
AMD Radeon RX Vega Nano 's Advantages
Boost Clock has increased by 58% (1546MHz vs 980MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (409.6GB/s vs 144.2GB/s)
2752 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
2.634 TFLOPS
Radeon RX Vega Nano
+380%
12.66 TFLOPS
Graphics Card
Aug 2012
Release Date
Unknown
GeForce 600
Generation
Vega
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
915 MHz
Base Clock
1247 MHz
980 MHz
Boost Clock
1546 MHz
1502 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
HBM2
192bit
Memory Bus
2048bit
144.2GB/s
Bandwidth
409.6GB/s
Render Config
-
Compute Units
64
-
-
-
1344
Shading Units
4096
112
TMUs
256
24
ROPs
64
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
4 MB
-
-
-
Theoretical Performance
27.44 GPixel/s
Pixel Rate
98.94 GPixel/s
109.8 GTexel/s
Texture Rate
395.8 GTexel/s
-
-
-
2.634 TFLOPS
FP32 (float)
12.66 TFLOPS
109.8 GFLOPS
FP64 (double)
791.6 GFLOPS
Board Design
150W
TDP
175W
450 W
Suggested PSU
450 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x HDMI 2.0b
3x DisplayPort 1.4a
2x 6-pin
Power Connectors
1x 8-pin
Graphics Processor
GK104
GPU Name
Vega 10
GK104-300-KD-A2
GPU Variant
Vega 10 XT
(215-0894200)
Kepler
Architecture
GCN 5.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
3.54 billion
Transistors
12.5 billion
294 mm²
Die Size
495 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.4
