Home GPU Comparison NVIDIA GeForce GT 640 vs NVIDIA GeForce RTX 3070 Ti 16 GB

NVIDIA GeForce GT 640 vs NVIDIA GeForce RTX 3070 Ti 16 GB

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 16GB VRAM GeForce RTX 3070 Ti 16 GB 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 290W)
NVIDIA GeForce RTX 3070 Ti 16 GB 's Advantages
Boost Clock1770MHz
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (608.3GB/s vs 28.51GB/s)
5760 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 640
0.693 TFLOPS
GeForce RTX 3070 Ti 16 GB +3038%
21.75 TFLOPS
Blender
GeForce GT 640
32
GeForce RTX 3070 Ti 16 GB +12687%
4092
OctaneBench
GeForce GT 640
8
GeForce RTX 3070 Ti 16 GB +4862%
397
VS

Graphics Card

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

Clock Speeds

-
Base Clock
1575 MHz
-
Boost Clock
1770 MHz
891 MHz
Memory Clock
1188 MHz

Memory

2GB
Memory Size
16GB
DDR3
Memory Type
GDDR6X
128bit
Memory Bus
256bit
28.51GB/s
Bandwidth
608.3GB/s

Render Config

-
-
-
-
SM Count
48
384
Shading Units
6144
32
TMUs
192
16
ROPs
96
-
Tensor Cores
192
-
RT Cores
48
16 KB (per SMX)
L1 Cache
128 KB (per SM)
256 KB
L2 Cache
4 MB
-
-
-

Theoretical Performance

7.216 GPixel/s
Pixel Rate
169.9 GPixel/s
28.86 GTexel/s
Texture Rate
339.8 GTexel/s
-
FP16 (half)
21.75 TFLOPS
692.7 GFLOPS
FP32 (float)
21.75 TFLOPS
28.86 GFLOPS
FP64 (double)
339.8 GFLOPS

Board Design

65W
TDP
290W
250 W
Suggested PSU
600 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
GA104-401-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
6.6

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