Home GPU Comparison NVIDIA GeForce GT 640 vs NVIDIA GeForce RTX 3060 12 GB GA104

NVIDIA GeForce GT 640 vs NVIDIA GeForce RTX 3060 12 GB GA104

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 12GB VRAM GeForce RTX 3060 12 GB GA104 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages
Lower TDP (65W vs 170W)
NVIDIA GeForce RTX 3060 12 GB GA104 's Advantages
Released 9 years and 3 months late
Boost Clock1777MHz
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (360.0GB/s vs 28.51GB/s)
3200 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 640
0.693 TFLOPS
GeForce RTX 3060 12 GB GA104 +1738%
12.74 TFLOPS
VS

Graphics Card

Jun 2012
Release Date
Sep 2021
GeForce 600
Generation
GeForce 30
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

-
Base Clock
1320 MHz
-
Boost Clock
1777 MHz
891 MHz
Memory Clock
1875 MHz

Memory

2GB
Memory Size
12GB
DDR3
Memory Type
GDDR6
128bit
Memory Bus
192bit
28.51GB/s
Bandwidth
360.0GB/s

Render Config

-
-
-
-
SM Count
28
384
Shading Units
3584
32
TMUs
112
16
ROPs
64
-
Tensor Cores
112
-
RT Cores
28
16 KB (per SMX)
L1 Cache
128 KB (per SM)
256 KB
L2 Cache
3 MB
-
-
-

Theoretical Performance

7.216 GPixel/s
Pixel Rate
113.7 GPixel/s
28.86 GTexel/s
Texture Rate
199.0 GTexel/s
-
FP16 (half)
12.74 TFLOPS
692.7 GFLOPS
FP32 (float)
12.74 TFLOPS
28.86 GFLOPS
FP64 (double)
199.0 GFLOPS

Board Design

65W
TDP
170W
250 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
None
Power Connectors
1x 12-pin

Graphics Processor

GK107
GPU Name
GA104
GK107-300-A2
GPU Variant
GA104-150-KC-A1
Kepler
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
1.27 billion
Transistors
17.4 billion
118 mm²
Die Size
392 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
8.6
5.1
Shader Model
6.7

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