NVIDIA GeForce RTX 5080 vs ATI Radeon HD 3870 Mac Edition

VS

NVIDIA GeForce RTX 5080

ATI Radeon HD 3870 Mac Edition

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

Main Differences

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

ATI Radeon HD 3870 Mac Edition 's Advantages

Lower TDP (106W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 +10803%

54.19 TFLOPS

Radeon HD 3870 Mac Edition

0.497 TFLOPS

GeForce RTX 5080

VS

Radeon HD 3870 Mac Edition

Graphics Card

Jan 2025

Release Date

Jun 2008

GeForce 50

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

2400 MHz

Memory Clock

1126 MHz

Memory

16GB

Memory Size

512MB

GDDR7

Memory Type

GDDR4

256bit

Memory Bus

256bit

973.8GB/s

Bandwidth

72.06GB/s

Render Config

-

Compute Units

4

84

SM Count

-

10752

Shading Units

320

336

TMUs

16

128

ROPs

16

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

-

64 MB

L2 Cache

256 KB

-

Theoretical Performance

322.6 GPixel/s

Pixel Rate

12.43 GPixel/s

846.7 GTexel/s

Texture Rate

12.43 GTexel/s

54.19 TFLOPS

FP16 (half)

-

54.19 TFLOPS

FP32 (float)

497.3 GFLOPS

846.7 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

350W

TDP

106W

750 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

1x 6-pin

Graphics Processor

GB203

GPU Name

RV670

GB203-400-A1

GPU Variant

RV670 XT (215-0708005)

Blackwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

0

Process Size

55 nm

Unknown

Transistors

0.666 billion

377 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

10.1

CUDA

-

6.8

Shader Model

4.1

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