AMD Radeon RX 5700 XT vs AMD Radeon HD 6450

VS

AMD Radeon RX 5700 XT

AMD Radeon HD 6450

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 5700 XT and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 5700 XT 's Advantages

Released 8 years and 3 months late

Boost Clock1905MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (448.0GB/s vs 25.60GB/s)

2400 additional rendering cores

AMD Radeon HD 6450 's Advantages

Lower TDP (18W vs 225W)

Score

Benchmark

FP32 (float)

Radeon RX 5700 XT +4777%

9.754 TFLOPS

Radeon HD 6450

0.2 TFLOPS

Radeon RX 5700 XT

VS

Radeon HD 6450

Graphics Card

Jul 2019

Release Date

Apr 2011

Navi

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1605 MHz

Base Clock

-

1905 MHz

Boost Clock

-

1750 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

25.60GB/s

Render Config

40

Compute Units

2

-

2560

Shading Units

160

TMUs

8

64

ROPs

4

-

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

128 KB

-

Theoretical Performance

121.9 GPixel/s

Pixel Rate

2.500 GPixel/s

304.8 GTexel/s

Texture Rate

5.000 GTexel/s

19.51 TFLOPS

FP16 (half)

-

9.754 TFLOPS

FP32 (float)

200.0 GFLOPS

609.6 GFLOPS

FP64 (double)

-

Board Design

225W

TDP

18W

550 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Navi 10

GPU Name

Caicos

Navi 10 XT (215-0917210)

GPU Variant

Caicos PRO

RDNA 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

10.3 billion

Transistors

0.37 billion

251 mm²

Die Size

67 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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