GeForce RTX 3080 Ti vs GeForce GTX 745 OEM
We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 Ti and 4GB VRAM GeForce GTX 745 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 3080 Ti 's Advantages
Released 7 years and 3 months late
Boost Clock1665MHz
More VRAM (12GB vs 4GB)
Larger VRAM bandwidth (912.4GB/s vs 28.80GB/s)
9856 additional rendering cores
GeForce GTX 745 OEM 's Advantages
Lower TDP (55W vs 350W)
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Ti
+4200%
34100
GeForce GTX 745 OEM
793
Graphics Card
May 2021
Release Date
Feb 2014
GeForce 30
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1365 MHz
Base Clock
-
1665 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
80
SM Count
-
10240
Shading Units
384
320
TMUs
24
112
ROPs
16
320
Tensor Cores
-
80
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SMM)
6 MB
L2 Cache
2 MB
Theoretical Performance
186.5 GPixel/s
Pixel Rate
16.53 GPixel/s
532.8 GTexel/s
Texture Rate
24.79 GTexel/s
34.10 TFLOPS
FP16 (half)
-
34.10 TFLOPS
FP32 (float)
793.3 GFLOPS
532.8 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
GA102-225-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
