NVIDIA GeForce MX450 30.5W 8Gbps vs NVIDIA GeForce GTX 680 Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Aug 2020
Apr 2013
Generation
GeForce MX
GeForce 600
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 2.0 x16
Clock Speeds
Base Clock
1035 MHz
1006 MHz
Boost Clock
1275 MHz
1058 MHz
Memory Clock
2000 MHz
1502 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
64bit
256bit
Bandwidth
64.00GB/s
192.3GB/s
Render Config
SM Count
14
-
Shading Units
896
1536
TMUs
56
128
ROPs
32
32
L1 Cache
64 KB (per SM)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
40.80 GPixel/s
33.86 GPixel/s
Texture Rate
71.40 GTexel/s
135.4 GTexel/s
FP16 (half)
4.570 TFLOPS
-
FP32 (float)
2.285 TFLOPS
3.250 TFLOPS
FP64 (double)
71.40 GFLOPS
135.4 GFLOPS
Graphics Processor
GPU Name
TU117
GK104
Architecture
Turing
Kepler
Foundry
TSMC
TSMC
Process Size
12 nm
28 nm
Transistors
4.7 billion
3.54 billion
Die Size
200 mm²
294 mm²
GPU Variant
-
GK104-400-A2
Board Design
TDP
31W
195W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 (12_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.1
CUDA
7.5
3.0
Shader Model
6.6
5.1