AMD Radeon HD 7450 OEM vs AMD Radeon RX 6700 XT

VS

AMD Radeon HD 7450 OEM

AMD Radeon RX 6700 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 12GB VRAM Radeon RX 6700 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450 OEM 's Advantages

Lower TDP (18W vs 230W)

AMD Radeon RX 6700 XT 's Advantages

Released 9 years and 2 months late

Boost Clock2581MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (384.0GB/s vs 8.528GB/s)

2400 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon RX 6700 XT +6505%

13.21 TFLOPS

Radeon HD 7450 OEM

VS

Radeon RX 6700 XT

Graphics Card

Jan 2012

Release Date

Mar 2021

Southern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2321 MHz

-

Boost Clock

2581 MHz

533 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

12GB

GDDR3

Memory Type

GDDR6

64bit

Memory Bus

192bit

8.528GB/s

Bandwidth

384.0GB/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

165.2 GPixel/s

5.000 GTexel/s

Texture Rate

413.0 GTexel/s

-

FP16 (half)

26.43 TFLOPS

200.0 GFLOPS

FP32 (float)

13.21 TFLOPS

-

FP64 (double)

825.9 GFLOPS

Board Design

18W

TDP

230W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a

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

Caimour

GPU Variant

Navi 22 XT (215-127000006)

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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