AMD Radeon RX 6900 XTX vs NVIDIA GeForce GTS 450

VS

AMD Radeon RX 6900 XTX

NVIDIA GeForce GTS 450

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

Main Differences

AMD Radeon RX 6900 XTX 's Advantages

Boost Clock2435MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (576.0GB/s vs 57.73GB/s)

4928 additional rendering cores

NVIDIA GeForce GTS 450 's Advantages

Lower TDP (106W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +4048%

24.93 TFLOPS

GeForce GTS 450

0.601 TFLOPS

Radeon RX 6900 XTX

VS

GeForce GTS 450

Graphics Card

Unknown

Release Date

Sep 2010

Navi II

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2075 MHz

Base Clock

-

2435 MHz

Boost Clock

-

2250 MHz

Memory Clock

902 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

57.73GB/s

Render Config

80

Compute Units

-

SM Count

4

5120

Shading Units

192

320

TMUs

32

128

ROPs

16

-

80

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

311.7 GPixel/s

Pixel Rate

6.264 GPixel/s

779.2 GTexel/s

Texture Rate

25.06 GTexel/s

49.87 TFLOPS

FP16 (half)

-

24.93 TFLOPS

FP32 (float)

601.3 GFLOPS

1.558 TFLOPS

FP64 (double)

50.11 GFLOPS

Board Design

330W

TDP

106W

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 Processor

Navi 21

GPU Name

GF106

Navi 21 XTXH (215-121000247)

GPU Variant

GF106-250-KA-A1

RDNA 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

1.17 billion

520 mm²

Die Size

238 mm²

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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