GeForce 840M vs GeForce 9600M GT Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 512MB VRAM GeForce 9600M GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 840M Advantages
Released 5 years and 5 months late
Boost Clock1124MHz
More VRAM (2GB vs 512GB)
352 additional rendering cores
GeForce 9600M GT Mac Edition Advantages
Larger VRAM bandwidth (25.34GB/s vs 16.02GB/s)
Lower TDP (23W vs 33W)
Score
Benchmark
FP32 (float)
GeForce 840M
+978%
863
GeForce 9600M GT Mac Edition
80
Graphics Card
Mar 2014
Release Date
Oct 2008
GeForce 800M
Generation
GeForce 9M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-II
Clock Speeds
1029 MHz
Base Clock
-
1124 MHz
Boost Clock
-
1001 MHz
Memory Clock
792 MHz
Memory
2GB
Memory Size
512MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
128bit
16.02GB/s
Bandwidth
25.34GB/s
Render Config
-
SM Count
4
384
Shading Units
32
16
TMUs
16
8
ROPs
8
64 KB (per SMM)
L1 Cache
-
1024 KB
L2 Cache
32 KB
Theoretical Performance
8.992 GPixel/s
Pixel Rate
4.000 GPixel/s
17.98 GTexel/s
Texture Rate
8.000 GTexel/s
863.2 GFLOPS
FP32 (float)
80.00 GFLOPS
26.98 GFLOPS
FP64 (double)
-
Board Design
33W
TDP
23W
No outputs
Outputs
No outputs
Graphics Processor
GM108
GPU Name
G96C
N15S-GT
GPU Variant
NB9P-GS
Maxwell
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
Unknown
Transistors
0.314 billion
Unknown
Die Size
121 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.0
CUDA
1.1
5.1
Shader Model
4.0
