ATI Radeon HD 5450 PCIe x1 vs AMD Radeon RX 6950 XT

VS

ATI Radeon HD 5450 PCIe x1 AMD Radeon RX 6950 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCIe x1 and 16GB VRAM Radeon RX 6950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5450 PCIe x1 's Advantages

Lower TDP (19W vs 335W)

AMD Radeon RX 6950 XT 's Advantages

Released 12 years and 3 months late

Boost Clock2310MHz

Larger VRAM bandwidth (576.0GB/s vs 8.000GB/s)

5040 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCIe x1

0.104 TFLOPS

Radeon RX 6950 XT +22640%

23.65 TFLOPS

Radeon HD 5450 PCIe x1

VS

Radeon RX 6950 XT

Graphics Card

Feb 2010

Release Date

May 2022

Evergreen

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x1

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1860 MHz

-

Boost Clock

2310 MHz

500 MHz

Memory Clock

2250 MHz

Memory

512MB

Memory Size

16GB

DDR3

Memory Type

GDDR6

64bit

Memory Bus

256bit

8.000GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

-

2

Compute Units

80

Shading Units

5120

8

TMUs

320

4

ROPs

128

-

Tensor Cores

-

RT Cores

80

8 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

4 MB

Theoretical Performance

2.600 GPixel/s

Pixel Rate

295.7 GPixel/s

5.200 GTexel/s

Texture Rate

739.2 GTexel/s

-

FP16 (half)

47.31 TFLOPS

104.0 GFLOPS

FP32 (float)

23.65 TFLOPS

-

FP64 (double)

1478 GFLOPS

Graphics Processor

Cedar

GPU Name

Navi 21

Cedar PRO

GPU Variant

Navi 21 KXTX (215-121000289)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.292 billion

Transistors

26.8 billion

59 mm²

Die Size

520 mm²

Board Design

19W

TDP

335W

200 W

Suggested PSU

700 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a

-

Power Connectors

2x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

CUDA

-

5.0

Shader Model

6.5

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