ATI Radeon HD 5450 PCI vs AMD Radeon RX 7950 XT

VS

ATI Radeon HD 5450 PCI

AMD Radeon RX 7950 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCI and 20GB VRAM Radeon RX 7950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 300W)

AMD Radeon RX 7950 XT 's Advantages

Boost Clock3000MHz

More VRAM (20GB vs 512GB)

Larger VRAM bandwidth (800.0GB/s vs 5.328GB/s)

5296 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon RX 7950 XT +61928%

64.51 TFLOPS

Radeon HD 5450 PCI

VS

Radeon RX 7950 XT

Graphics Card

Feb 2010

Release Date

Unknown

Evergreen

Generation

Navi III

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2000 MHz

-

Boost Clock

3000 MHz

333 MHz

Memory Clock

2500 MHz

Memory

512MB

Memory Size

20GB

DDR2

Memory Type

GDDR6

64bit

Memory Bus

320bit

5.328GB/s

Bandwidth

800.0GB/s

Render Config

2

Compute Units

84

-

80

Shading Units

5376

8

TMUs

336

4

ROPs

192

-

RT Cores

84

8 KB (per CU)

L1 Cache

256 KB per Array

128 KB

L2 Cache

6 MB

-

L3 Cache

80 MB

Theoretical Performance

2.600 GPixel/s

Pixel Rate

576.0 GPixel/s

5.200 GTexel/s

Texture Rate

1008 GTexel/s

-

FP16 (half)

129.0 TFLOPS

104.0 GFLOPS

FP32 (float)

64.51 TFLOPS

-

FP64 (double)

2.016 TFLOPS

Board Design

19W

TDP

300W

200 W

Suggested PSU

700 W

1x DVI 1x HDMI 1.3a

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Processor

Cedar

GPU Name

Navi 31

Cedar PRO

GPU Variant

Navi 31 XT+

TeraScale 2

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

0.292 billion

Transistors

57.7 billion

59 mm²

Die Size

529 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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