NVIDIA GeForce GTX 950M Mac Edition vs NVIDIA GeForce 820A
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 950M Mac Edition and 1024MB VRAM GeForce 820A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 950M Mac Edition 's Advantages
Released 1 years late
Boost Clock1124MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)
544 additional rendering cores
NVIDIA GeForce 820A 's Advantages
Lower TDP (15W vs 75W)
Score
Benchmark
FP32 (float)
GeForce GTX 950M Mac Edition
+382%
1.439 TFLOPS
GeForce 820A
0.298 TFLOPS
Graphics Card
Mar 2015
Release Date
Mar 2014
GeForce 900M
Generation
GeForce 800A
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
993 MHz
Base Clock
-
1124 MHz
Boost Clock
-
900 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
DDR3
128bit
Memory Bus
64bit
28.80GB/s
Bandwidth
14.40GB/s
Render Config
-
-
-
-
SM Count
2
640
Shading Units
96
40
TMUs
16
16
ROPs
8
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
64 KB (per SM)
2 MB
L2 Cache
128 KB
-
-
-
Theoretical Performance
17.98 GPixel/s
Pixel Rate
3.100 GPixel/s
44.96 GTexel/s
Texture Rate
12.40 GTexel/s
-
-
-
1439 GFLOPS
FP32 (float)
297.6 GFLOPS
44.96 GFLOPS
FP64 (double)
24.80 GFLOPS
Board Design
75W
TDP
15W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GM107
GPU Name
GF117
N16P-GT
GPU Variant
N15V-GM
Maxwell
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
0.585 billion
148 mm²
Die Size
116 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.0
CUDA
2.1
5.1
Shader Model
5.1
