AMD Radeon RX 6750 GRE 12 GB vs ATI Radeon HD 3450 X2

VS

AMD Radeon RX 6750 GRE 12 GB

ATI Radeon HD 3450 X2

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6750 GRE 12 GB and 512MB VRAM Radeon HD 3450 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6750 GRE 12 GB 's Advantages

Released 15 years and 10 months late

Boost Clock2581MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (432.0GB/s vs 8.000GB/s)

2520 additional rendering cores

ATI Radeon HD 3450 X2 's Advantages

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6750 GRE 12 GB +27420%

13.21 TFLOPS

Radeon HD 3450 X2

0.048 TFLOPS

Radeon RX 6750 GRE 12 GB

VS

Radeon HD 3450 X2

Graphics Card

Oct 2023

Release Date

Dec 2007

Navi II

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2321 MHz

Base Clock

-

2581 MHz

Boost Clock

-

2250 MHz

Memory Clock

500 MHz

Memory

12GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

192bit

Memory Bus

64bit

432.0GB/s

Bandwidth

8.000GB/s

Render Config

40

Compute Units

2

-

2560

Shading Units

40

160

TMUs

4

64

ROPs

4

-

40

RT Cores

-

128 KB per Array

L1 Cache

-

3 MB

L2 Cache

64 KB

96 MB

L3 Cache

-

Theoretical Performance

165.2 GPixel/s

Pixel Rate

2.400 GPixel/s

413.0 GTexel/s

Texture Rate

2.400 GTexel/s

26.43 TFLOPS

FP16 (half)

-

13.21 TFLOPS

FP32 (float)

48.00 GFLOPS

825.9 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

50W

600 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DMS-59

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

RV620

Navi 22 KXT (215-127000144)

GPU Variant

RV620 LE

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

17.2 billion

Transistors

0.181 billion

335 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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