ATI Radeon HD 3850 X3 vs NVIDIA GeForce RTX 4080

VS

ATI Radeon HD 3850 X3

NVIDIA GeForce RTX 4080

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 16GB VRAM GeForce RTX 4080 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 320W)

NVIDIA GeForce RTX 4080 's Advantages

Boost Clock2505MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (716.8GB/s vs 54.40GB/s)

9408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3850 X3

0.428 TFLOPS

GeForce RTX 4080 +11287%

48.74 TFLOPS

Radeon HD 3850 X3

VS

GeForce RTX 4080

Graphics Card

Unknown

Release Date

Sep 2022

Radeon R600

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2205 MHz

-

Boost Clock

2505 MHz

850 MHz

Memory Clock

1400 MHz

Memory

512MB

Memory Size

16GB

GDDR3

Memory Type

GDDR6X

256bit

Memory Bus

256bit

54.40GB/s

Bandwidth

716.8GB/s

Render Config

4

Compute Units

-

SM Count

76

320

Shading Units

9728

16

TMUs

304

16

ROPs

112

-

Tensor Cores

304

-

RT Cores

76

-

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

64 MB

-

Theoretical Performance

10.70 GPixel/s

Pixel Rate

280.6 GPixel/s

10.70 GTexel/s

Texture Rate

761.5 GTexel/s

-

FP16 (half)

48.74 TFLOPS

428.2 GFLOPS

FP32 (float)

48.74 TFLOPS

-

FP64 (double)

761.5 GFLOPS

Board Design

145W

TDP

320W

300 W

Suggested PSU

700 W

4x DVI

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

RV670

GPU Name

AD103

RV670 PRO (215-0708003)

GPU Variant

AD103-300-A1

TeraScale

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

55 nm

Process Size

5 nm

0.666 billion

Transistors

45.9 billion

192 mm²

Die Size

379 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.9

4.1

Shader Model

6.7

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