GeForce GT 640M Mac Edition vs GeForce RTX 2070 Mobile Refresh
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 640M Mac Edition and 8GB VRAM GeForce RTX 2070 Mobile Refresh 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 115W)
GeForce RTX 2070 Mobile Refresh 's Advantages
Released 7 years and 1 months late
Boost Clock1455MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (352.0GB/s vs 40.00GB/s)
1920 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640M Mac Edition
572
GeForce RTX 2070 Mobile Refresh
+1072%
6705
Graphics Card
Feb 2013
Release Date
Mar 2020
GeForce 600M
Generation
GeForce 20 Mobile
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1260 MHz
-
Boost Clock
1455 MHz
1250 MHz
Memory Clock
1375 MHz
Memory
512MB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
64bit
Memory Bus
256bit
40.00GB/s
Bandwidth
352.0GB/s
Render Config
-
SM Count
36
384
Shading Units
2304
32
TMUs
144
8
ROPs
64
-
Tensor Cores
288
-
RT Cores
36
16 KB (per SMX)
L1 Cache
64 KB (per SM)
128 KB
L2 Cache
4 MB
Theoretical Performance
5.960 GPixel/s
Pixel Rate
93.12 GPixel/s
23.84 GTexel/s
Texture Rate
209.5 GTexel/s
-
FP16 (half)
13.41 TFLOPS
572.2 GFLOPS
FP32 (float)
6.705 TFLOPS
23.84 GFLOPS
FP64 (double)
209.5 GFLOPS
Board Design
32W
TDP
115W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK107
GPU Name
TU106B
N13P-GS
GPU Variant
-
Kepler
Architecture
Turing
TSMC
Foundry
TSMC
28 nm
Process Size
12 nm
1.27 billion
Transistors
10.8 billion
118 mm²
Die Size
445 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
7.5
5.1
Shader Model
6.6
