GeForce GTX 660 Ti vs Radeon Pro W6400
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 4GB VRAM Radeon Pro W6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 Ti 's Advantages
Larger VRAM bandwidth (144.2GB/s vs 112.0GB/s)
576 additional rendering cores
Radeon Pro W6400 's Advantages
Released 9 years and 5 months late
Boost Clock has increased by 138% (2331MHz vs 980MHz)
More VRAM (4GB vs 2GB)
Lower TDP (50W vs 150W)
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
2634
Radeon Pro W6400
+35%
3580
3DMark Time Spy
GeForce GTX 660 Ti
1616
Radeon Pro W6400
+123%
3604
Blender
GeForce GTX 660 Ti
169
Radeon Pro W6400
+30%
221
Graphics Card
Aug 2012
Release Date
Jan 2022
GeForce 600
Generation
Radeon Pro
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x4
Clock Speeds
915 MHz
Base Clock
2331 MHz
980 MHz
Boost Clock
2331 MHz
1502 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR6
192bit
Memory Bus
64bit
144.2GB/s
Bandwidth
112.0GB/s
Render Config
-
Compute Units
12
1344
Shading Units
768
112
TMUs
48
24
ROPs
32
-
RT Cores
12
16 KB (per SMX)
L1 Cache
128 KB per Array
384 KB
L2 Cache
1024 KB
-
L3 Cache
8 MB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
74.59 GPixel/s
109.8 GTexel/s
Texture Rate
111.9 GTexel/s
-
FP16 (half)
7.161 TFLOPS
2.634 TFLOPS
FP32 (float)
3.580 TFLOPS
109.8 GFLOPS
FP64 (double)
223.8 GFLOPS
Board Design
150W
TDP
50W
450 W
Suggested PSU
250 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DisplayPort 1.4a
2x 6-pin
Power Connectors
None
Graphics Processor
GK104
GPU Name
Navi 24
GK104-300-KD-A2
GPU Variant
Navi 24 XL-W
Kepler
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
6 nm
3.54 billion
Transistors
5.4 billion
294 mm²
Die Size
107 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
6.6
