GeForce RTX 3060 Ti GDDR6X vs GeForce GT 640
We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 3060 Ti GDDR6X and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 3060 Ti GDDR6X 's Advantages
Released 10 years and 4 months late
Boost Clock1665MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (608.3GB/s vs 28.51GB/s)
4480 additional rendering cores
GeForce GT 640 's Advantages
Lower TDP (65W vs 225W)
Score
Benchmark
FP32 (float)
GeForce RTX 3060 Ti GDDR6X
+2237%
16200
GeForce GT 640
693
3DMark Time Spy
GeForce RTX 3060 Ti GDDR6X
+2888%
12223
GeForce GT 640
409
3DMark Time Spy Extreme
GeForce RTX 3060 Ti GDDR6X
+3613%
5941
GeForce GT 640
160
Graphics Card
Oct 2022
Release Date
Jun 2012
GeForce 30
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1410 MHz
Base Clock
-
1665 MHz
Boost Clock
-
1188 MHz
Memory Clock
891 MHz
Memory
8GB
Memory Size
2GB
GDDR6X
Memory Type
DDR3
256bit
Memory Bus
128bit
608.3GB/s
Bandwidth
28.51GB/s
Render Config
38
SM Count
-
4864
Shading Units
384
152
TMUs
32
80
ROPs
16
152
Tensor Cores
-
38
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
4 MB
L2 Cache
256 KB
Theoretical Performance
133.2 GPixel/s
Pixel Rate
7.216 GPixel/s
253.1 GTexel/s
Texture Rate
28.86 GTexel/s
16.20 TFLOPS
FP16 (half)
-
16.20 TFLOPS
FP32 (float)
692.7 GFLOPS
253.1 GFLOPS
FP64 (double)
28.86 GFLOPS
Board Design
225W
TDP
65W
550 W
Suggested PSU
250 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 12-pin
Power Connectors
None
Graphics Processor
GA104
GPU Name
GK107
GA104-202-A1
GPU Variant
GK107-300-A2
Ampere
Architecture
Kepler
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
17.4 billion
Transistors
1.27 billion
392 mm²
Die Size
118 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
3.0
6.7
Shader Model
5.1
