AMD Radeon RX 6800 XT vs NVIDIA GeForce GT 545 OEM

VS

AMD Radeon RX 6800 XT NVIDIA GeForce GT 545 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 1024MB VRAM GeForce GT 545 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 XT 's Advantages

Released 9 years and 5 months late

Boost Clock2250MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)

4464 additional rendering cores

NVIDIA GeForce GT 545 OEM 's Advantages

Lower TDP (105W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +4039%

20.74 TFLOPS

GeForce GT 545 OEM

0.501 TFLOPS

Radeon RX 6800 XT

VS

GeForce GT 545 OEM

Graphics Card

Oct 2020

Release Date

May 2011

Navi II

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2250 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

3

72

Compute Units

-

4608

Shading Units

144

288

TMUs

24

128

ROPs

16

-

Tensor Cores

-

72

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

256 KB

Theoretical Performance

288.0 GPixel/s

Pixel Rate

5.226 GPixel/s

648.0 GTexel/s

Texture Rate

20.90 GTexel/s

41.47 TFLOPS

FP16 (half)

-

20.74 TFLOPS

FP32 (float)

501.4 GFLOPS

1296 GFLOPS

FP64 (double)

41.78 GFLOPS

Graphics Processor

Navi 21

GPU Name

GF116

Navi 21 XT (215-121000177)

GPU Variant

GF116-110-KA-A1

RDNA 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

1.17 billion

520 mm²

Die Size

238 mm²

Board Design

300W

TDP

105W

700 W

Suggested PSU

300 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.5

Shader Model

5.1

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