GeForce GT 330M vs GeForce GT 640M Mac Edition
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 330M and 512MB VRAM GeForce GT 640M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 330M 's Advantages
More VRAM (1024GB vs 512GB)
Lower TDP (23W vs 32W)
GeForce GT 640M Mac Edition 's Advantages
Released 3 years and 1 months late
Larger VRAM bandwidth (40.00GB/s vs 25.60GB/s)
336 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 330M
121
GeForce GT 640M Mac Edition
+372%
572
Graphics Card
Jan 2010
Release Date
Feb 2013
GeForce 300M
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
800 MHz
Memory Clock
1250 MHz
Memory
1024MB
Memory Size
512MB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
64bit
25.60GB/s
Bandwidth
40.00GB/s
Render Config
6
SM Count
-
48
Shading Units
384
16
TMUs
32
8
ROPs
8
-
L1 Cache
16 KB (per SMX)
64 KB
L2 Cache
128 KB
Theoretical Performance
4.600 GPixel/s
Pixel Rate
5.960 GPixel/s
9.200 GTexel/s
Texture Rate
23.84 GTexel/s
121.4 GFLOPS
FP32 (float)
572.2 GFLOPS
-
FP64 (double)
23.84 GFLOPS
Board Design
23W
TDP
32W
No outputs
Outputs
No outputs
Graphics Processor
GT216
GPU Name
GK107
N11P-GE1-A3
GPU Variant
N13P-GS
Tesla 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.486 billion
Transistors
1.27 billion
100 mm²
Die Size
118 mm²
Graphics Features
11.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
1.2
CUDA
3.0
4.1
Shader Model
5.1
