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GPU Comparison
NVIDIA GeForce GTX 775M Mac Edition vs NVIDIA GeForce GT 420M
NVIDIA GeForce GTX 775M Mac Edition vs NVIDIA GeForce GT 420M
VS
NVIDIA GeForce GTX 775M Mac Edition
Type 1 or more characters for results.
NVIDIA GeForce GT 420M
Type 1 or more characters for results.
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 775M Mac Edition and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 775M Mac Edition 's Advantages
Released 3 years and 2 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)
1248 additional rendering cores
NVIDIA GeForce GT 420M 's Advantages
Lower TDP (23W vs 100W)
Score
Benchmark
FP32 (float)
GeForce GTX 775M Mac Edition
+1015%
2.142 TFLOPS
GeForce GT 420M
0.192 TFLOPS
GeForce GTX 775M Mac Edition
VS
GeForce GT 420M
Graphics Card
Nov 2013
Release Date
Sep 2010
GeForce 700M
Generation
GeForce 400M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
25.60GB/s
Render Config
-
-
-
-
SM Count
2
1344
Shading Units
96
112
TMUs
16
32
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
22.32 GPixel/s
Pixel Rate
2.000 GPixel/s
89.26 GTexel/s
Texture Rate
8.000 GTexel/s
-
-
-
2.142 TFLOPS
FP32 (float)
192.0 GFLOPS
89.26 GFLOPS
FP64 (double)
16.00 GFLOPS
Board Design
100W
TDP
23W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GK104
GPU Name
GF108
N13E-GTX-A2
GPU Variant
N11P-GE-A1
Kepler
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
0.585 billion
294 mm²
Die Size
116 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
2.1
5.1
Shader Model
5.1
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