AMD Radeon RX 7950 XTX vs ATI Radeon HD 5450

VS

AMD Radeon RX 7950 XTX

ATI Radeon HD 5450

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7950 XTX and 512MB VRAM Radeon HD 5450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7950 XTX 's Advantages

Boost Clock3300MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (960.0GB/s vs 6.400GB/s)

6064 additional rendering cores

ATI Radeon HD 5450 's Advantages

Lower TDP (19W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7950 XTX +77880%

81.1 TFLOPS

Radeon HD 5450

0.104 TFLOPS

Radeon RX 7950 XTX

VS

Radeon HD 5450

Graphics Card

Unknown

Release Date

Feb 2010

Navi III

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2200 MHz

Base Clock

-

3300 MHz

Boost Clock

-

2500 MHz

Memory Clock

400 MHz

Memory

24GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

384bit

Memory Bus

64bit

960.0GB/s

Bandwidth

6.400GB/s

Render Config

96

Compute Units

2

-

6144

Shading Units

80

384

TMUs

8

192

ROPs

4

-

96

RT Cores

-

256 KB per Array

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

128 KB

96 MB

L3 Cache

-

Theoretical Performance

633.6 GPixel/s

Pixel Rate

2.600 GPixel/s

1267 GTexel/s

Texture Rate

5.200 GTexel/s

162.2 TFLOPS

FP16 (half)

-

81.10 TFLOPS

FP32 (float)

104.0 GFLOPS

2.534 TFLOPS

FP64 (double)

-

Board Design

355W

TDP

19W

750 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Cedar

Navi 31 XTX+

GPU Variant

Cedar PRO

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

0.292 billion

529 mm²

Die Size

59 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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