ATI Radeon HD 4870 X2 vs NVIDIA GeForce RTX 5080

VS

ATI Radeon HD 4870 X2

NVIDIA GeForce RTX 5080

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 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 4870 X2 's Advantages

Lower TDP (286W vs 350W)

NVIDIA GeForce RTX 5080 's Advantages

Released 16 years and 5 months late

Boost Clock2520MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (973.8GB/s vs 115.2GB/s)

9952 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2

1.2 TFLOPS

GeForce RTX 5080 +4415%

54.19 TFLOPS

Radeon HD 4870 X2

VS

GeForce RTX 5080

Graphics Card

Aug 2008

Release Date

Jan 2025

Radeon R700

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

900 MHz

Memory Clock

2400 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR7

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

973.8GB/s

Render Config

10

Compute Units

-

SM Count

84

800

Shading Units

10752

40

TMUs

336

16

ROPs

128

-

Tensor Cores

336

-

RT Cores

84

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

64 MB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

322.6 GPixel/s

30.00 GTexel/s

Texture Rate

846.7 GTexel/s

-

FP16 (half)

54.19 TFLOPS

1200 GFLOPS

FP32 (float)

54.19 TFLOPS

240.0 GFLOPS

FP64 (double)

846.7 GFLOPS

Board Design

286W

TDP

350W

600 W

Suggested PSU

750 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1 3x DisplayPort 2.1a

1x 6-pin + 1x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

R700

GPU Name

GB203

R700 XT (215-0669045)

GPU Variant

GB203-400-A1

TeraScale

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

0

0.956 billion

Transistors

Unknown

256 mm²

Die Size

377 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

10.1

4.1

Shader Model

6.8

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