NVIDIA GeForce 8600M GT Mac Edition vs NVIDIA GeForce 945A
We compared two Mobile platform GPUs: 512MB VRAM GeForce 8600M GT Mac Edition and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 8600M GT Mac Edition 's Advantages
Lower TDP (20W vs 33W)
NVIDIA GeForce 945A 's Advantages
Released 7 years and 5 months late
Boost Clock1189MHz
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (40.10GB/s vs 20.32GB/s)
352 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8600M GT Mac Edition
0.06 TFLOPS
GeForce 945A
+1421%
0.913 TFLOPS
Graphics Card
Oct 2007
Release Date
Mar 2015
GeForce 8M
Generation
GeForce 900A
Mobile
Type
Mobile
MXM-II
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1006 MHz
-
Boost Clock
1189 MHz
635 MHz
Memory Clock
1253 MHz
Memory
512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
64bit
20.32GB/s
Bandwidth
40.10GB/s
Render Config
-
-
-
4
SM Count
-
32
Shading Units
384
16
TMUs
24
8
ROPs
8
-
-
-
-
-
-
-
L1 Cache
64 KB (per SMM)
32 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
3.760 GPixel/s
Pixel Rate
9.512 GPixel/s
7.520 GTexel/s
Texture Rate
28.54 GTexel/s
-
-
-
60.16 GFLOPS
FP32 (float)
913.2 GFLOPS
-
FP64 (double)
28.54 GFLOPS
Board Design
20W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
G84
GPU Name
GM108
NB8P-GS
GPU Variant
-
Tesla
Architecture
Maxwell
TSMC
Foundry
TSMC
80 nm
Process Size
28 nm
0.289 billion
Transistors
Unknown
169 mm²
Die Size
Unknown
Graphics Features
11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
1.1
CUDA
5.0
4.0
Shader Model
5.1
