Home GPU Comparison NVIDIA GeForce GTX 660M vs AMD Radeon RX 6500M

NVIDIA GeForce GTX 660M vs AMD Radeon RX 6500M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GTX 660M and 4GB VRAM Radeon RX 6500M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6500M 's Advantages
Released 9 years and 10 months late
Boost Clock has increased by 153% (2400MHz vs 950MHz)
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (144.0GB/s vs 64.00GB/s)
640 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 660M
0.73 TFLOPS
Radeon RX 6500M +573%
4.915 TFLOPS

Graphics Card

Mar 2012
Release Date
Jan 2022
GeForce 600M
Generation
Mobility Radeon
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 4.0 x4

Clock Speeds

835 MHz
Base Clock
2000 MHz
950 MHz
Boost Clock
2400 MHz
1000 MHz
Memory Clock
2250 MHz

Memory

1024MB
Memory Size
4GB
GDDR5
Memory Type
GDDR6
128bit
Memory Bus
64bit
64.00GB/s
Bandwidth
144.0GB/s

Render Config

-
Compute Units
16
-
-
-
384
Shading Units
1024
32
TMUs
64
16
ROPs
32
-
-
-
-
RT Cores
16
16 KB (per SMX)
L1 Cache
128 KB per Array
256 KB
L2 Cache
1024 KB
-
L3 Cache
16 MB

Theoretical Performance

7.600 GPixel/s
Pixel Rate
76.80 GPixel/s
30.40 GTexel/s
Texture Rate
153.6 GTexel/s
-
FP16 (half)
9.830 TFLOPS
729.6 GFLOPS
FP32 (float)
4.915 TFLOPS
30.40 GFLOPS
FP64 (double)
307.2 GFLOPS

Board Design

50W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

GK107
GPU Name
Navi 24
N13E-GE-A2
GPU Variant
Navi 24 XM
Kepler
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
6 nm
1.27 billion
Transistors
5.4 billion
118 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
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