GeForce RTX 3060 vs GeForce GT 640 Rev. 2
We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3060 and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 3060 Advantages
Released 7 years and 8 months late
Boost Clock1777MHz
More VRAM (12GB vs 1024GB)
Larger VRAM bandwidth (360.0GB/s vs 40.06GB/s)
3200 additional rendering cores
GeForce GT 640 Rev. 2 Advantages
Lower TDP (49W vs 170W)
Score
Benchmark
FP32 (float)
GeForce RTX 3060
+1486%
12740
GeForce GT 640 Rev. 2
803
Graphics Card
Jan 2021
Release Date
May 2013
GeForce 30
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x8
Clock Speeds
1320 MHz
Base Clock
-
1777 MHz
Boost Clock
-
1875 MHz
Memory Clock
1252 MHz
Memory
12GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
192bit
Memory Bus
64bit
360.0GB/s
Bandwidth
40.06GB/s
Render Config
28
SM Count
-
3584
Shading Units
384
112
TMUs
32
48
ROPs
8
112
Tensor Cores
-
28
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
3 MB
L2 Cache
512 KB
Theoretical Performance
85.30 GPixel/s
Pixel Rate
8.368 GPixel/s
199.0 GTexel/s
Texture Rate
33.47 GTexel/s
12.74 TFLOPS
FP16 (half)
-
12.74 TFLOPS
FP32 (float)
803.3 GFLOPS
199.0 GFLOPS
FP64 (double)
33.47 GFLOPS
Board Design
170W
TDP
49W
450 W
Suggested PSU
200 W
1x HDMI 2.1
3x DisplayPort 1.4a
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
1x VGA
1x HDMI 1.4a
1x VGA
1x 12-pin
Power Connectors
None
Graphics Processor
GA106
GPU Name
GK208
GA106-300-A1
GPU Variant
GK208-400-A1
Ampere
Architecture
Kepler 2.0
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
12 billion
Transistors
1.02 billion
276 mm²
Die Size
87 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
8.6
CUDA
3.5
6.6
Shader Model
5.1
