AMD Radeon HD 6450 OEM vs AMD Radeon RX 7700 XT

VS

AMD Radeon HD 6450 OEM

AMD Radeon RX 7700 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 12GB VRAM Radeon RX 7700 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 245W)

AMD Radeon RX 7700 XT 's Advantages

Released 12 years and 6 months late

Boost Clock2544MHz

More VRAM (12GB vs 512GB)

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

3296 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon RX 7700 XT +17485%

35.17 TFLOPS

Radeon HD 6450 OEM

VS

Radeon RX 7700 XT

Graphics Card

Feb 2011

Release Date

Aug 2023

Northern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1435 MHz

-

Boost Clock

2544 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

54

-

160

Shading Units

3456

8

TMUs

216

4

ROPs

96

-

RT Cores

54

8 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

2 MB

-

L3 Cache

48 MB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

244.2 GPixel/s

5.000 GTexel/s

Texture Rate

549.5 GTexel/s

-

FP16 (half)

70.34 TFLOPS

200.0 GFLOPS

FP32 (float)

35.17 TFLOPS

-

FP64 (double)

1099 GFLOPS

Board Design

18W

TDP

245W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Processor

Caicos

GPU Name

Navi 32

Junbonator

GPU Variant

Navi 32 XL (215-180000076)

TeraScale 2

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

0.37 billion

Transistors

28.1 billion

67 mm²

Die Size

346 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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