NVIDIA GeForce RTX 3080 vs ATI Radeon HD 3850 AGP

VS

NVIDIA GeForce RTX 3080

ATI Radeon HD 3850 AGP

We compared two Desktop platform GPUs: 10GB VRAM GeForce RTX 3080 and 512MB VRAM Radeon HD 3850 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 's Advantages

Released 12 years and 8 months late

Boost Clock1710MHz

More VRAM (10GB vs 512GB)

Larger VRAM bandwidth (760.3GB/s vs 52.99GB/s)

8384 additional rendering cores

ATI Radeon HD 3850 AGP 's Advantages

Lower TDP (75W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 +6855%

29.77 TFLOPS

Radeon HD 3850 AGP

0.428 TFLOPS

GeForce RTX 3080

VS

Radeon HD 3850 AGP

Graphics Card

Sep 2020

Release Date

Jan 2008

GeForce 30

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

AGP 8x

Clock Speeds

1440 MHz

Base Clock

-

1710 MHz

Boost Clock

-

1188 MHz

Memory Clock

828 MHz

Memory

10GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR3

320bit

Memory Bus

256bit

760.3GB/s

Bandwidth

52.99GB/s

Render Config

-

Compute Units

4

68

SM Count

-

8704

Shading Units

320

272

TMUs

16

96

ROPs

16

272

Tensor Cores

-

68

RT Cores

-

128 KB (per SM)

L1 Cache

-

5 MB

L2 Cache

256 KB

-

Theoretical Performance

164.2 GPixel/s

Pixel Rate

10.69 GPixel/s

465.1 GTexel/s

Texture Rate

10.69 GTexel/s

29.77 TFLOPS

FP16 (half)

-

29.77 TFLOPS

FP32 (float)

427.5 GFLOPS

465.1 GFLOPS

FP64 (double)

85.50 GFLOPS

Board Design

320W

TDP

75W

700 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 12-pin

Power Connectors

1x 8-pin

Graphics Processor

GA102

GPU Name

RV670

GA102-200-KD-A1

GPU Variant

RV670 PRO (215-0708003)

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

28.3 billion

Transistors

0.666 billion

628 mm²

Die Size

192 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

4.1

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