NVIDIA GeForce GTX 660 vs AMD Radeon Pro 5300
GPU Specs Compare
Graphics Card
Release Date
Sep 2012
Aug 2020
Generation
GeForce 600
Radeon Pro Mac
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
980 MHz
1000 MHz
Boost Clock
1032 MHz
1650 MHz
Memory Clock
1502 MHz
1750 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
128bit
Bandwidth
144.2GB/s
224.0GB/s
Render Config
Shading Units
960
1280
TMUs
80
80
ROPs
24
32
L1 Cache
16 KB (per SMX)
-
L2 Cache
384 KB
2 MB
Compute Units
-
20
Theoretical Performance
Pixel Rate
20.64 GPixel/s
52.80 GPixel/s
Texture Rate
82.56 GTexel/s
132.0 GTexel/s
FP32 (float)
1.981 TFLOPS
4.224 TFLOPS
FP64 (double)
82.56 GFLOPS
264.0 GFLOPS
FP16 (half)
-
8.448 TFLOPS
Graphics Processor
GPU Name
GK106
Navi 14
GPU Variant
GK106-400-A1
Navi 14 PRO XE
Architecture
Kepler
RDNA 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
2.54 billion
6.4 billion
Die Size
221 mm²
158 mm²
Board Design
TDP
140W
85W
Suggested PSU
300 W
250 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.3
CUDA
3.0
-
Shader Model
5.1
6.5
📊 Benchmark
3DMark Time Spy
1,194
4,558
3DMark Time Spy Extreme
260
-
OctaneBench
27
-
Blender
111
-