NVIDIA GeForce GT 330M Mac Edition vs NVIDIA GeForce 845M
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 330M Mac Edition and 2GB VRAM GeForce 845M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 330M Mac Edition 's Advantages
Lower TDP (23W vs 33W)
NVIDIA GeForce 845M 's Advantages
Released 5 years and 4 months late
Boost Clock1176MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (40.10GB/s vs 25.28GB/s)
336 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 330M Mac Edition
0.106 TFLOPS
GeForce 845M
+751%
0.903 TFLOPS
Graphics Card
Apr 2010
Release Date
Aug 2015
GeForce 300M
Generation
GeForce 800M
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
1071 MHz
-
Boost Clock
1176 MHz
790 MHz
Memory Clock
1253 MHz
Memory
512MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
64bit
25.28GB/s
Bandwidth
40.10GB/s
Render Config
-
-
-
6
SM Count
-
48
Shading Units
384
16
TMUs
32
8
ROPs
16
-
-
-
-
-
-
-
L1 Cache
64 KB (per SMM)
64 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
4.000 GPixel/s
Pixel Rate
18.82 GPixel/s
8.000 GTexel/s
Texture Rate
37.63 GTexel/s
-
-
-
105.6 GFLOPS
FP32 (float)
903.2 GFLOPS
-
FP64 (double)
28.22 GFLOPS
Board Design
23W
TDP
33W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GT216
GPU Name
GM108
N11P-GE1-A3
GPU Variant
-
Tesla 2.0
Architecture
Maxwell
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.486 billion
Transistors
Unknown
100 mm²
Die Size
Unknown
Graphics Features
11.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
1.2
CUDA
5.0
4.1
Shader Model
5.1
