AMD Radeon Pro W6400 vs NVIDIA GeForce GTX 660
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Sep 2012
Generation
Radeon Pro
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 3.0 x16
Clock Speeds
Base Clock
2331 MHz
980 MHz
Boost Clock
2331 MHz
1032 MHz
Memory Clock
1750 MHz
1502 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
64bit
192bit
Bandwidth
112.0GB/s
144.2GB/s
Render Config
Compute Units
12
-
Shading Units
768
960
TMUs
48
80
ROPs
32
24
RT Cores
12
-
L1 Cache
128 KB per Array
16 KB (per SMX)
L2 Cache
1024 KB
384 KB
L3 Cache
8 MB
-
Theoretical Performance
Pixel Rate
74.59 GPixel/s
20.64 GPixel/s
Texture Rate
111.9 GTexel/s
82.56 GTexel/s
FP16 (half)
7.161 TFLOPS
-
FP32 (float)
3.580 TFLOPS
1.981 TFLOPS
FP64 (double)
223.8 GFLOPS
82.56 GFLOPS
Graphics Processor
GPU Name
Navi 24
GK106
GPU Variant
Navi 24 XL-W
GK106-400-A1
Architecture
RDNA 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
6 nm
28 nm
Transistors
5.4 billion
2.54 billion
Die Size
107 mm²
221 mm²
Board Design
TDP
50W
140W
Suggested PSU
250 W
300 W
Outputs
2x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.2
3.0
Vulkan
1.3
1.1
Shader Model
6.6
5.1
CUDA
-
3.0
📊 Benchmark
Blender
221
111
3DMark Time Spy
-
1,194
3DMark Time Spy Extreme
-
260
OctaneBench
-
27