GeForce GT 640M Mac Edition vs Iris Xe MAX Graphics
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 640M Mac Edition and 4GB VRAM Iris Xe MAX Graphics to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Iris Xe MAX Graphics 's Advantages
Released 7 years and 8 months late
Boost Clock1650MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (68.26GB/s vs 40.00GB/s)
384 additional rendering cores
Lower TDP (25W vs 32W)
Score
Benchmark
FP32 (float)
GeForce GT 640M Mac Edition
572
Iris Xe MAX Graphics
+343%
2534
Graphics Card
Feb 2013
Release Date
Oct 2020
GeForce 600M
Generation
HD Graphics-M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
300 MHz
-
Boost Clock
1650 MHz
1250 MHz
Memory Clock
2133 MHz
Memory
512MB
Memory Size
4GB
GDDR5
Memory Type
LPDDR4X
64bit
Memory Bus
128bit
40.00GB/s
Bandwidth
68.26GB/s
Render Config
384
Shading Units
768
32
TMUs
48
8
ROPs
24
16 KB (per SMX)
L1 Cache
-
128 KB
L2 Cache
1024 KB
-
L3 Cache
16 MB
Theoretical Performance
5.960 GPixel/s
Pixel Rate
39.60 GPixel/s
23.84 GTexel/s
Texture Rate
79.20 GTexel/s
-
FP16 (half)
5.069 TFLOPS
572.2 GFLOPS
FP32 (float)
2.534 TFLOPS
23.84 GFLOPS
FP64 (double)
633.6 GFLOPS
Board Design
32W
TDP
25W
No outputs
Outputs
No outputs
Graphics Processor
GK107
GPU Name
DG1
N13P-GS
GPU Variant
-
Kepler
Architecture
Generation 12.1
TSMC
Foundry
Intel
28 nm
Process Size
10 nm
1.27 billion
Transistors
Unknown
118 mm²
Die Size
95 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
-
5.1
Shader Model
6.4
