NVIDIA GeForce GTS 450 OEM vs AMD Radeon RX 6900 XT

VS

NVIDIA GeForce GTS 450 OEM

AMD Radeon RX 6900 XT

We compared two Desktop platform GPUs: 512MB VRAM GeForce GTS 450 OEM 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 OEM '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 512GB)

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

4976 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450 OEM

0.451 TFLOPS

Radeon RX 6900 XT +5008%

23.04 TFLOPS

GeForce GTS 450 OEM

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

512MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

57.73GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

80

3

SM Count

-

144

Shading Units

5120

24

TMUs

320

16

ROPs

128

-

RT Cores

80

64 KB (per SM)

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

4.698 GPixel/s

Pixel Rate

288.0 GPixel/s

18.79 GTexel/s

Texture Rate

720.0 GTexel/s

-

FP16 (half)

46.08 TFLOPS

451.0 GFLOPS

FP32 (float)

23.04 TFLOPS

37.58 GFLOPS

FP64 (double)

1440 GFLOPS

Board Design

106W

TDP

300W

300 W

Suggested PSU

700 W

1x DVI 1x DisplayPort 1x VGA

Outputs

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

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GF106

GPU Name

Navi 21

-

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

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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