Home GPU Comparison AMD Radeon RX 6800S vs NVIDIA GeForce GT 745A

AMD Radeon RX 6800S vs NVIDIA GeForce GT 745A

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6800S and 2GB VRAM GeForce GT 745A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800S 's Advantages
Released 8 years and 5 months late
Boost Clock has increased by 130% (2100MHz vs 915MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 28.80GB/s)
1664 additional rendering cores
NVIDIA GeForce GT 745A 's Advantages
Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)
Radeon RX 6800S +1123%
8.602 TFLOPS
GeForce GT 745A
0.703 TFLOPS
VS

Graphics Card

Jan 2022
Release Date
Aug 2013
Mobility Radeon
Generation
GeForce 700A
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

1800 MHz
Base Clock
837 MHz
2100 MHz
Boost Clock
915 MHz
2000 MHz
Memory Clock
900 MHz

Memory

8GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
128bit
Memory Bus
128bit
256.0GB/s
Bandwidth
28.80GB/s

Render Config

-
SM Count
-
32
Compute Units
-
2048
Shading Units
384
128
TMUs
32
64
ROPs
16
-
Tensor Cores
-
32
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
256 KB

Theoretical Performance

134.4 GPixel/s
Pixel Rate
7.320 GPixel/s
268.8 GTexel/s
Texture Rate
29.28 GTexel/s
17.20 TFLOPS
FP16 (half)
-
8.602 TFLOPS
FP32 (float)
702.7 GFLOPS
537.6 GFLOPS
FP64 (double)
29.28 GFLOPS

Graphics Processor

Navi 23
GPU Name
GK107
-
GPU Variant
N14P-LP
RDNA 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
11.06 billion
Transistors
1.27 billion
237 mm²
Die Size
118 mm²

Board Design

100W
TDP
33W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Features

12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.3
Vulkan
1.1
-
CUDA
3.0
6.5
Shader Model
5.1

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