GeForce RTX 2080 vs GeForce GTX 745 OEM
We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 2080 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 2080 's Advantages
Released 4 years and 7 months late
Boost Clock1710MHz
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (448.0GB/s vs 28.80GB/s)
2560 additional rendering cores
GeForce GTX 745 OEM 's Advantages
Lower TDP (55W vs 215W)
Score
Benchmark
FP32 (float)
GeForce RTX 2080
+1169%
10070
GeForce GTX 745 OEM
793
Graphics Card
Sep 2018
Release Date
Feb 2014
GeForce 20
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1515 MHz
Base Clock
-
1710 MHz
Boost Clock
-
1750 MHz
Memory Clock
900 MHz
Memory
8GB
Memory Size
4GB
GDDR6
Memory Type
DDR3
256bit
Memory Bus
128bit
448.0GB/s
Bandwidth
28.80GB/s
Render Config
46
SM Count
-
2944
Shading Units
384
184
TMUs
24
64
ROPs
16
368
Tensor Cores
-
46
RT Cores
-
64 KB (per SM)
L1 Cache
64 KB (per SMM)
4 MB
L2 Cache
2 MB
Theoretical Performance
109.4 GPixel/s
Pixel Rate
16.53 GPixel/s
314.6 GTexel/s
Texture Rate
24.79 GTexel/s
20.14 TFLOPS
FP16 (half)
-
10.07 TFLOPS
FP32 (float)
793.3 GFLOPS
314.6 GFLOPS
FP64 (double)
24.79 GFLOPS
Board Design
215W
TDP
55W
550 W
Suggested PSU
250 W
1x HDMI 2.0
3x DisplayPort 1.4a
1x USB Type-C
Outputs
1x DVI
1x HDMI 2.0
1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
TU104
GPU Name
GM107
TU104-400A-A1
GPU Variant
GM107-220-A2
Turing
Architecture
Maxwell
TSMC
Foundry
TSMC
12 nm
Process Size
28 nm
13.6 billion
Transistors
1.87 billion
545 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
7.5
CUDA
5.0
6.6
Shader Model
5.1
