NVIDIA GeForce GTX 660M vs AMD Radeon RX 550 Mobile
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GTX 660M and 2GB VRAM Radeon RX 550 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 550 Mobile 's Advantages
Released 5 years and 4 months late
Boost Clock has increased by 35% (1287MHz vs 950MHz)
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (96.00GB/s vs 64.00GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 660M
0.73 TFLOPS
Radeon RX 550 Mobile
+125%
1.647 TFLOPS
Graphics Card
Mar 2012
Release Date
Jul 2017
GeForce 600M
Generation
Mobility Radeon
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
835 MHz
Base Clock
1100 MHz
950 MHz
Boost Clock
1287 MHz
1000 MHz
Memory Clock
1500 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
64.00GB/s
Bandwidth
96.00GB/s
Render Config
-
Compute Units
10
-
-
-
384
Shading Units
640
32
TMUs
40
16
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
7.600 GPixel/s
Pixel Rate
20.59 GPixel/s
30.40 GTexel/s
Texture Rate
51.48 GTexel/s
-
FP16 (half)
1.647 TFLOPS
729.6 GFLOPS
FP32 (float)
1.647 TFLOPS
30.40 GFLOPS
FP64 (double)
103.0 GFLOPS
Board Design
50W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK107
GPU Name
Lexa
N13E-GE-A2
GPU Variant
Lexa PRO
(215-0904018)
Kepler
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
1.27 billion
Transistors
2.2 billion
118 mm²
Die Size
103 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.4
