NVIDIA GeForce GT 640M Mac Edition vs NVIDIA GeForce RTX 4070 Max-Q
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 640M Mac Edition and 8GB VRAM GeForce RTX 4070 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640M Mac Edition 's Advantages
Lower TDP (32W vs 35W)
NVIDIA GeForce RTX 4070 Max-Q 's Advantages
Released 9 years and 11 months late
Boost Clock1230MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (256.0GB/s vs 40.00GB/s)
4224 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640M Mac Edition
0.572 TFLOPS
GeForce RTX 4070 Max Q
+1882%
11.34 TFLOPS
Graphics Card
Feb 2013
Release Date
Jan 2023
GeForce 600M
Generation
GeForce 40 Mobile
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
735 MHz
-
Boost Clock
1230 MHz
1250 MHz
Memory Clock
2000 MHz
Memory
512MB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
64bit
Memory Bus
128bit
40.00GB/s
Bandwidth
256.0GB/s
Render Config
-
-
-
-
SM Count
36
384
Shading Units
4608
32
TMUs
144
8
ROPs
48
-
Tensor Cores
144
-
RT Cores
36
16 KB (per SMX)
L1 Cache
128 KB (per SM)
128 KB
L2 Cache
32 MB
-
-
-
Theoretical Performance
5.960 GPixel/s
Pixel Rate
59.04 GPixel/s
23.84 GTexel/s
Texture Rate
177.1 GTexel/s
-
FP16 (half)
11.34 TFLOPS
572.2 GFLOPS
FP32 (float)
11.34 TFLOPS
23.84 GFLOPS
FP64 (double)
177.1 GFLOPS
Board Design
32W
TDP
35W
-
-
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
None
Graphics Processor
GK107
GPU Name
AD106
N13P-GS
GPU Variant
GN21-X6
Kepler
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
1.27 billion
Transistors
22.9 billion
118 mm²
Die Size
188 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
8.9
5.1
Shader Model
6.8
