AMD Radeon HD 6450 OEM vs AMD Radeon RX 6750 XT

VS

AMD Radeon HD 6450 OEM

AMD Radeon RX 6750 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 12GB VRAM Radeon RX 6750 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 250W)

AMD Radeon RX 6750 XT 's Advantages

Released 11 years and 1 months late

Boost Clock2600MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (432.0GB/s vs 8.528GB/s)

2400 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon RX 6750 XT +6555%

13.31 TFLOPS

Radeon HD 6450 OEM

VS

Radeon RX 6750 XT

Graphics Card

Feb 2011

Release Date

Mar 2022

Northern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2150 MHz

-

Boost Clock

2600 MHz

533 MHz

Memory Clock

2250 MHz

Memory

512MB

Memory Size

12GB

GDDR3

Memory Type

GDDR6

64bit

Memory Bus

192bit

8.528GB/s

Bandwidth

432.0GB/s

Render Config

2

Compute Units

40

-

160

Shading Units

2560

8

TMUs

160

4

ROPs

64

-

RT Cores

40

8 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

166.4 GPixel/s

5.000 GTexel/s

Texture Rate

416.0 GTexel/s

-

FP16 (half)

26.62 TFLOPS

200.0 GFLOPS

FP32 (float)

13.31 TFLOPS

-

FP64 (double)

832.0 GFLOPS

Board Design

18W

TDP

250W

200 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Caicos

GPU Name

Navi 22

Junbonator

GPU Variant

Navi 22 KXT (215-127000144)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.37 billion

Transistors

17.2 billion

67 mm²

Die Size

335 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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