NVIDIA GeForce GTX 680MX Mac Edition vs AMD Radeon RX 6600M
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 8GB VRAM Radeon RX 6600M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600M 's Advantages
Released 8 years and 7 months late
Boost Clock2416MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 160.0GB/s)
256 additional rendering cores
Lower TDP (100W vs 122W)
Score
Benchmark
FP32 (float)
GeForce GTX 680MX Mac Edition
2.209 TFLOPS
Radeon RX 6600M
+291%
8.659 TFLOPS
Graphics Card
Oct 2012
Release Date
May 2021
GeForce 600M
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
2068 MHz
-
Boost Clock
2416 MHz
1250 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
224.0GB/s
Render Config
-
Compute Units
28
-
-
-
1536
Shading Units
1792
128
TMUs
112
32
ROPs
64
-
-
-
-
RT Cores
28
16 KB (per SMX)
L1 Cache
128 KB per Array
512 KB
L2 Cache
2 MB
-
L3 Cache
32 MB
Theoretical Performance
23.01 GPixel/s
Pixel Rate
154.6 GPixel/s
92.03 GTexel/s
Texture Rate
270.6 GTexel/s
-
FP16 (half)
17.32 TFLOPS
2.209 TFLOPS
FP32 (float)
8.659 TFLOPS
92.03 GFLOPS
FP64 (double)
541.2 GFLOPS
Board Design
122W
TDP
100W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK104
GPU Name
Navi 23
N13E-GTX2-A2
GPU Variant
-
Kepler
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
3.54 billion
Transistors
11.06 billion
294 mm²
Die Size
237 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.3
3.0
CUDA
-
5.1
Shader Model
6.5
