AMD Radeon RX 6800S vs NVIDIA GeForce GT 745A

VS

AMD Radeon RX 6800S

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

Radeon RX 6800S

VS

GeForce GT 745A

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

32

Compute Units

-

2048

Shading Units

384

128

TMUs

32

64

ROPs

16

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

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

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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

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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