Home GPU Comparison NVIDIA GeForce RTX 3070 Ti 8 GB GA102 vs NVIDIA GeForce GT 640 OEM

NVIDIA GeForce RTX 3070 Ti 8 GB GA102 vs NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 3070 Ti 8 GB GA102 and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3070 Ti 8 GB GA102 's Advantages
Released 10 years and 6 months late
Boost Clock1770MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (608.3GB/s vs 28.51GB/s)
5760 additional rendering cores
NVIDIA GeForce GT 640 OEM 's Advantages
Lower TDP (50W vs 290W)

Score

Benchmark

FP32 (float)
GeForce RTX 3070 Ti 8 GB GA102 +3453%
21.75 TFLOPS
GeForce GT 640 OEM
0.612 TFLOPS
VS

Graphics Card

Oct 2022
Release Date
Apr 2012
GeForce 30
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

1575 MHz
Base Clock
-
1770 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

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

Theoretical Performance

169.9 GPixel/s
Pixel Rate
6.376 GPixel/s
339.8 GTexel/s
Texture Rate
25.50 GTexel/s
21.75 TFLOPS
FP16 (half)
-
21.75 TFLOPS
FP32 (float)
612.1 GFLOPS
339.8 GFLOPS
FP64 (double)
25.50 GFLOPS

Graphics Processor

GA102
GPU Name
GK107
GA102-150-A1
GPU Variant
GK107-320-A2
Ampere
Architecture
Kepler
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
28.3 billion
Transistors
1.27 billion
628 mm²
Die Size
118 mm²

Board Design

290W
TDP
50W
600 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 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
6.6
Shader Model
5.1

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