ATI Radeon HD 4450 vs AMD Radeon RX 6900 XT

VS

ATI Radeon HD 4450

AMD Radeon RX 6900 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4450 and 16GB VRAM Radeon RX 6900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4450 's Advantages

Lower TDP (25W vs 300W)

AMD Radeon RX 6900 XT 's Advantages

Released 8 years and 11 months late

Boost Clock2250MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 6.400GB/s)

5040 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4450

0.096 TFLOPS

Radeon RX 6900 XT +23900%

23.04 TFLOPS

Radeon HD 4450

VS

Radeon RX 6900 XT

Graphics Card

Nov 2011

Release Date

Oct 2020

Radeon R700

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2250 MHz

400 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

16GB

DDR2

Memory Type

GDDR6

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

512.0GB/s

Render Config

1

Compute Units

80

-

80

Shading Units

5120

8

TMUs

320

4

ROPs

128

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB per Array

64 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

2.400 GPixel/s

Pixel Rate

288.0 GPixel/s

4.800 GTexel/s

Texture Rate

720.0 GTexel/s

-

FP16 (half)

46.08 TFLOPS

96.00 GFLOPS

FP32 (float)

23.04 TFLOPS

-

FP64 (double)

1440 GFLOPS

Board Design

25W

TDP

300W

200 W

Suggested PSU

700 W

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

None

Power Connectors

2x 8-pin

Graphics Processor

RV710

GPU Name

Navi 21

RV710 (215-0725016)

GPU Variant

Navi 21 XTX (215-121000167)

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

7 nm

0.242 billion

Transistors

26.8 billion

73 mm²

Die Size

520 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

-

4.1

Shader Model

6.5

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