ATI Radeon HD 3850 X3 vs AMD Radeon RX 7700 XT

VS

ATI Radeon HD 3850 X3

AMD Radeon RX 7700 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 12GB VRAM Radeon RX 7700 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 X3 's Advantages

Lower TDP (145W vs 245W)

AMD Radeon RX 7700 XT 's Advantages

Boost Clock2544MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (432.0GB/s vs 54.40GB/s)

3136 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3850 X3

0.428 TFLOPS

Radeon RX 7700 XT +8117%

35.17 TFLOPS

Radeon HD 3850 X3

VS

Radeon RX 7700 XT

Graphics Card

Unknown

Release Date

Aug 2023

Radeon R600

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

850 MHz

Memory Clock

2250 MHz

Memory

512MB

Memory Size

12GB

GDDR3

Memory Type

GDDR6

256bit

Memory Bus

192bit

54.40GB/s

Bandwidth

432.0GB/s

Render Config

4

Compute Units

54

-

320

Shading Units

3456

16

TMUs

216

16

ROPs

96

-

RT Cores

54

-

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

48 MB

Theoretical Performance

10.70 GPixel/s

Pixel Rate

244.2 GPixel/s

10.70 GTexel/s

Texture Rate

549.5 GTexel/s

-

FP16 (half)

70.34 TFLOPS

428.2 GFLOPS

FP32 (float)

35.17 TFLOPS

-

FP64 (double)

1099 GFLOPS

Board Design

145W

TDP

245W

300 W

Suggested PSU

550 W

4x DVI

Outputs

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

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

RV670

GPU Name

Navi 32

RV670 PRO (215-0708003)

GPU Variant

Navi 32 XL (215-180000076)

TeraScale

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

5 nm

0.666 billion

Transistors

28.1 billion

192 mm²

Die Size

346 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.2

N/A

Vulkan

1.3

-

4.1

Shader Model

6.7

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