ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce RTX 5080

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce RTX 5080

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 16GB VRAM GeForce RTX 5080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

Lower TDP (106W vs 350W)

NVIDIA GeForce RTX 5080 's Advantages

Released 16 years and 7 months late

Boost Clock2520MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (973.8GB/s vs 72.06GB/s)

10432 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

GeForce RTX 5080 +10803%

54.19 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce RTX 5080

Graphics Card

Jun 2008

Release Date

Jan 2025

Radeon R600

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

1126 MHz

Memory Clock

2400 MHz

Memory

512MB

Memory Size

16GB

GDDR4

Memory Type

GDDR7

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

973.8GB/s

Render Config

4

Compute Units

-

SM Count

84

320

Shading Units

10752

16

TMUs

336

16

ROPs

128

-

Tensor Cores

336

-

RT Cores

84

-

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

64 MB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

322.6 GPixel/s

12.43 GTexel/s

Texture Rate

846.7 GTexel/s

-

FP16 (half)

54.19 TFLOPS

497.3 GFLOPS

FP32 (float)

54.19 TFLOPS

99.46 GFLOPS

FP64 (double)

846.7 GFLOPS

Board Design

106W

TDP

350W

300 W

Suggested PSU

750 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1 3x DisplayPort 2.1a

1x 6-pin

Power Connectors

1x 16-pin

Graphics Processor

RV670

GPU Name

GB203

RV670 XT (215-0708005)

GPU Variant

GB203-400-A1

TeraScale

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

0

0.666 billion

Transistors

Unknown

192 mm²

Die Size

377 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

10.1

4.1

Shader Model

6.8

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