NVIDIA GeForce GTX 675MX Mac Edition vs NVIDIA RTX A4 Mobile
GPU Specs Compare
Graphics Card
Release Date
Apr 2013
Apr 2021
Generation
GeForce 600M
Quadro Ampere-M
Type
Mobile
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1250 MHz
1750 MHz
Base Clock
-
1297 MHz
Boost Clock
-
1770 MHz
Memory
Memory Size
1024MB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
160.0GB/s
224.0GB/s
Render Config
Shading Units
1344
2048
TMUs
112
64
ROPs
32
32
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
512 KB
2 MB
SM Count
-
16
Tensor Cores
-
64
RT Cores
-
16
Theoretical Performance
Pixel Rate
20.13 GPixel/s
56.64 GPixel/s
Texture Rate
80.53 GTexel/s
113.3 GTexel/s
FP32 (float)
1.933 TFLOPS
7.250 TFLOPS
FP64 (double)
80.53 GFLOPS
113.3 GFLOPS
FP16 (half)
-
7.250 TFLOPS
Graphics Processor
GPU Name
GK104
GA107
GPU Variant
N13E-GSR-A2
-
Architecture
Kepler
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
3.54 billion
8.7 billion
Die Size
294 mm²
200 mm²
Board Design
TDP
100W
Unknown
Outputs
No outputs
Portable Device Dependent
Power Connectors
-
None
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.0
8.6
Shader Model
5.1
6.7