AMD Radeon RX 6950 XT vs ATI Radeon HD 5450 PCI

VS

AMD Radeon RX 6950 XT ATI Radeon HD 5450 PCI

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

Main Differences

AMD Radeon RX 6950 XT 's Advantages

Released 12 years and 3 months late

Boost Clock2310MHz

Larger VRAM bandwidth (576.0GB/s vs 5.328GB/s)

5040 additional rendering cores

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 335W)

Score

Benchmark

FP32 (float)

Radeon RX 6950 XT +22640%

23.65 TFLOPS

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon RX 6950 XT

VS

Radeon HD 5450 PCI

Graphics Card

May 2022

Release Date

Feb 2010

Navi II

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCI

Clock Speeds

1860 MHz

Base Clock

-

2310 MHz

Boost Clock

-

2250 MHz

Memory Clock

333 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

5.328GB/s

Render Config

-

SM Count

-

80

Compute Units

2

5120

Shading Units

80

320

TMUs

8

128

ROPs

4

-

Tensor Cores

-

80

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

128 KB

Theoretical Performance

295.7 GPixel/s

Pixel Rate

2.600 GPixel/s

739.2 GTexel/s

Texture Rate

5.200 GTexel/s

47.31 TFLOPS

FP16 (half)

-

23.65 TFLOPS

FP32 (float)

104.0 GFLOPS

1478 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 21

GPU Name

Cedar

Navi 21 KXTX (215-121000289)

GPU Variant

Cedar PRO

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

0.292 billion

520 mm²

Die Size

59 mm²

Board Design

335W

TDP

19W

700 W

Suggested PSU

200 W

1x HDMI 2.1 2x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a

2x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

5.0

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