AMD Radeon RX 6700 vs ATI Radeon HD 5450 PCI

VS

AMD Radeon RX 6700

ATI Radeon HD 5450 PCI

We compared two Desktop platform GPUs: 10GB VRAM Radeon RX 6700 and 512MB VRAM Radeon HD 5450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6700 's Advantages

Released 11 years and 4 months late

Boost Clock2450MHz

More VRAM (10GB vs 512GB)

Larger VRAM bandwidth (320.0GB/s vs 5.328GB/s)

2224 additional rendering cores

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 175W)

Score

Benchmark

FP32 (float)

Radeon RX 6700 +10755%

11.29 TFLOPS

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon RX 6700

VS

Radeon HD 5450 PCI

Graphics Card

Jun 2021

Release Date

Feb 2010

Navi II

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCI

Clock Speeds

1941 MHz

Base Clock

-

2450 MHz

Boost Clock

-

2000 MHz

Memory Clock

333 MHz

Memory

10GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

160bit

Memory Bus

64bit

320.0GB/s

Bandwidth

5.328GB/s

Render Config

36

Compute Units

2

-

2304

Shading Units

80

144

TMUs

8

64

ROPs

4

-

36

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

3 MB

L2 Cache

128 KB

80 MB

L3 Cache

-

Theoretical Performance

156.8 GPixel/s

Pixel Rate

2.600 GPixel/s

352.8 GTexel/s

Texture Rate

5.200 GTexel/s

22.58 TFLOPS

FP16 (half)

-

11.29 TFLOPS

FP32 (float)

104.0 GFLOPS

705.6 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

19W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

Cedar

Navi 22 XTL

GPU Variant

Cedar PRO

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

17.2 billion

Transistors

0.292 billion

335 mm²

Die Size

59 mm²

Graphics Features

12 Ultimate (12_2)

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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