GeForce GT 640M Mac Edition vs Arc A770M
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 640M Mac Edition and 16GB VRAM Arc A770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 640M Mac Edition 's Advantages
Lower TDP (32W vs 120W)
Arc A770M 's Advantages
Released 8 years and 11 months late
Boost Clock1650MHz
More VRAM (16GB vs 512GB)
Larger VRAM bandwidth (512.0GB/s vs 40.00GB/s)
3712 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640M Mac Edition
572
Arc A770M
+2263%
13520
Graphics Card
Feb 2013
Release Date
Jan 2022
GeForce 600M
Generation
Alchemist
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
300 MHz
-
Boost Clock
1650 MHz
1250 MHz
Memory Clock
2000 MHz
Memory
512MB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
64bit
Memory Bus
256bit
40.00GB/s
Bandwidth
512.0GB/s
Render Config
384
Shading Units
4096
32
TMUs
256
8
ROPs
128
-
RT Cores
32
16 KB (per SMX)
L1 Cache
-
128 KB
L2 Cache
16 MB
Theoretical Performance
5.960 GPixel/s
Pixel Rate
211.2 GPixel/s
23.84 GTexel/s
Texture Rate
422.4 GTexel/s
-
FP16 (half)
27.03 TFLOPS
572.2 GFLOPS
FP32 (float)
13.52 TFLOPS
23.84 GFLOPS
FP64 (double)
-
Board Design
32W
TDP
120W
No outputs
Outputs
No outputs
Graphics Processor
GK107
GPU Name
DG2-512
N13P-GS
GPU Variant
ACM-G10
Kepler
Architecture
Generation 12.7
TSMC
Foundry
TSMC
28 nm
Process Size
6 nm
1.27 billion
Transistors
21.7 billion
118 mm²
Die Size
406 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
-
5.1
Shader Model
6.6
