NVIDIA GeForce GTS 450 vs AMD Radeon RX 6900 XT

VS

NVIDIA GeForce GTS 450 AMD Radeon RX 6900 XT

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 and 16GB VRAM Radeon RX 6900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTS 450 's Advantages

Lower TDP (106W vs 300W)

AMD Radeon RX 6900 XT 's Advantages

Released 10 years and 1 months late

Boost Clock2250MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (512.0GB/s vs 57.73GB/s)

4928 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450

0.601 TFLOPS

Radeon RX 6900 XT +3733%

23.04 TFLOPS

GeForce GTS 450

VS

Radeon RX 6900 XT

Graphics Card

Sep 2010

Release Date

Oct 2020

GeForce 400

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2250 MHz

902 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

57.73GB/s

Bandwidth

512.0GB/s

Render Config

4

SM Count

-

Compute Units

80

192

Shading Units

5120

32

TMUs

320

16

ROPs

128

-

Tensor Cores

-

RT Cores

80

64 KB (per SM)

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

Theoretical Performance

6.264 GPixel/s

Pixel Rate

288.0 GPixel/s

25.06 GTexel/s

Texture Rate

720.0 GTexel/s

-

FP16 (half)

46.08 TFLOPS

601.3 GFLOPS

FP32 (float)

23.04 TFLOPS

50.11 GFLOPS

FP64 (double)

1440 GFLOPS

Graphics Processor

GF106

GPU Name

Navi 21

GF106-250-KA-A1

GPU Variant

Navi 21 XTX (215-121000167)

Fermi

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.17 billion

Transistors

26.8 billion

238 mm²

Die Size

520 mm²

Board Design

106W

TDP

300W

300 W

Suggested PSU

700 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

1x 6-pin

Power Connectors

2x 8-pin

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

2.1

CUDA

-

5.1

Shader Model

6.5

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