ATI Mobility Radeon HD 3870 vs NVIDIA GeForce RTX 3080 Max Q

VS

ATI Mobility Radeon HD 3870

NVIDIA GeForce RTX 3080 Max Q

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 8GB VRAM GeForce RTX 3080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3870 's Advantages

Lower TDP (55W vs 80W)

NVIDIA GeForce RTX 3080 Max Q 's Advantages

Released 12 years and 7 months late

Boost Clock1245MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (384.0GB/s vs 54.40GB/s)

5824 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870

0.422 TFLOPS

GeForce RTX 3080 Max Q +3525%

15.3 TFLOPS

Mobility Radeon HD 3870

VS

GeForce RTX 3080 Max Q

Graphics Card

Jun 2008

Release Date

Jan 2021

M8x

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

1245 MHz

850 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

8GB

GDDR3

Memory Type

GDDR6

256bit

Memory Bus

256bit

54.40GB/s

Bandwidth

384.0GB/s

Render Config

4

Compute Units

-

SM Count

48

320

Shading Units

6144

16

TMUs

192

16

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

-

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

10.56 GPixel/s

Pixel Rate

119.5 GPixel/s

10.56 GTexel/s

Texture Rate

239.0 GTexel/s

-

FP16 (half)

15.30 TFLOPS

422.4 GFLOPS

FP32 (float)

15.30 TFLOPS

84.48 GFLOPS

FP64 (double)

239.0 GFLOPS

Board Design

55W

TDP

80W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M88

GPU Name

GA104

-

GPU Variant

GA104-775-A1

TeraScale

Architecture

Ampere

TSMC

Foundry

Samsung

55 nm

Process Size

8 nm

0.666 billion

Transistors

17.4 billion

192 mm²

Die Size

392 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

4.1

Shader Model

6.6

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