Home GPU Comparison NVIDIA GeForce RTX 3080 12 GB vs NVIDIA GeForce GTX 745 OEM

NVIDIA GeForce RTX 3080 12 GB vs NVIDIA GeForce GTX 745 OEM

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 12 GB and 4GB VRAM GeForce GTX 745 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 12 GB 's Advantages
Released 7 years and 11 months late
Boost Clock1710MHz
More VRAM (12GB vs 4GB)
Larger VRAM bandwidth (912.4GB/s vs 28.80GB/s)
8576 additional rendering cores
NVIDIA GeForce GTX 745 OEM 's Advantages
Lower TDP (55W vs 350W)

Score

Benchmark

FP32 (float)
GeForce RTX 3080 12 GB +3763%
30.64 TFLOPS
GeForce GTX 745 OEM
0.793 TFLOPS
Blender
GeForce RTX 3080 12 GB +10164%
5543
GeForce GTX 745 OEM
54
OctaneBench
GeForce RTX 3080 12 GB +3375%
556
GeForce GTX 745 OEM
16
VS

Graphics Card

Jan 2022
Release Date
Feb 2014
GeForce 30
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

1260 MHz
Base Clock
-
1710 MHz
Boost Clock
-
1188 MHz
Memory Clock
900 MHz

Memory

12GB
Memory Size
4GB
GDDR6X
Memory Type
DDR3
384bit
Memory Bus
128bit
912.4GB/s
Bandwidth
28.80GB/s

Render Config

-
-
-
70
SM Count
-
8960
Shading Units
384
280
TMUs
24
96
ROPs
16
280
Tensor Cores
-
70
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SMM)
5 MB
L2 Cache
2 MB
-
-
-

Theoretical Performance

164.2 GPixel/s
Pixel Rate
16.53 GPixel/s
478.8 GTexel/s
Texture Rate
24.79 GTexel/s
30.64 TFLOPS
FP16 (half)
-
30.64 TFLOPS
FP32 (float)
793.3 GFLOPS
478.8 GFLOPS
FP64 (double)
24.79 GFLOPS

Board Design

350W
TDP
55W
750 W
Suggested PSU
250 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 2.0 1x VGA
1x 12-pin
Power Connectors
None

Graphics Processor

GA102
GPU Name
GM107
GA102-220-A1
GPU Variant
GM107-220-A2
Ampere
Architecture
Maxwell
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
28.3 billion
Transistors
1.87 billion
628 mm²
Die Size
148 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.6
CUDA
5.0
6.6
Shader Model
5.1

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