AMD Radeon RX 7700 vs ATI Radeon HD 3450 X2

VS

AMD Radeon RX 7700

ATI Radeon HD 3450 X2

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 7700 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 7700 's Advantages

Boost Clock2600MHz

More VRAM (12GB vs 512GB)

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

3032 additional rendering cores

ATI Radeon HD 3450 X2 's Advantages

Lower TDP (50W vs 200W)

Score

Benchmark

FP32 (float)

Radeon RX 7700 +66462%

31.95 TFLOPS

Radeon HD 3450 X2

0.048 TFLOPS

Radeon RX 7700

VS

Radeon HD 3450 X2

Graphics Card

Unknown

Release Date

Dec 2007

Navi III

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1900 MHz

Base Clock

-

2600 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

48

Compute Units

2

-

3072

Shading Units

40

192

TMUs

4

96

ROPs

4

-

48

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

64 KB

64 MB

L3 Cache

-

Theoretical Performance

249.6 GPixel/s

Pixel Rate

2.400 GPixel/s

499.2 GTexel/s

Texture Rate

2.400 GTexel/s

63.90 TFLOPS

FP16 (half)

-

31.95 TFLOPS

FP32 (float)

48.00 GFLOPS

998.4 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

50W

550 W

Suggested PSU

250 W

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

Outputs

2x DMS-59

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

RV620

Navi 32

GPU Variant

RV620 LE

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

28.1 billion

Transistors

0.181 billion

346 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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