AMD Radeon RX 6750 GRE vs ATI Radeon HD 5450 PCI

VS

AMD Radeon RX 6750 GRE

ATI Radeon HD 5450 PCI

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6750 GRE 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 6750 GRE 's Advantages

Released 13 years and 8 months late

Boost Clock2581MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (432.0GB/s vs 5.328GB/s)

2480 additional rendering cores

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6750 GRE +12601%

13.21 TFLOPS

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon RX 6750 GRE

VS

Radeon HD 5450 PCI

Graphics Card

Oct 2023

Release Date

Feb 2010

Navi II

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCI

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2250 MHz

Memory Clock

333 MHz

Memory

12GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

192bit

Memory Bus

64bit

432.0GB/s

Bandwidth

5.328GB/s

Render Config

40

Compute Units

2

-

2560

Shading Units

80

160

TMUs

8

64

ROPs

4

-

40

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

3 MB

L2 Cache

128 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

2.600 GPixel/s

413.0 GTexel/s

Texture Rate

5.200 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

104.0 GFLOPS

825.9 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

19W

600 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

Cedar

Navi 22 KXT

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

-

6.7

Shader Model

5.0

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