NVIDIA GeForce RTX 5080 vs ATI Radeon HD 4890

VS

NVIDIA GeForce RTX 5080

ATI Radeon HD 4890

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 5080 and 1024MB VRAM Radeon HD 4890 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 's Advantages

Released 15 years and 9 months late

Boost Clock2520MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (973.8GB/s vs 124.8GB/s)

9952 additional rendering cores

ATI Radeon HD 4890 's Advantages

Lower TDP (190W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 +3884%

54.19 TFLOPS

Radeon HD 4890

1.36 TFLOPS

GeForce RTX 5080

VS

Radeon HD 4890

Graphics Card

Jan 2025

Release Date

Apr 2009

GeForce 50

Generation

Radeon R700

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

975 MHz

Memory

16GB

Memory Size

1024MB

GDDR7

Memory Type

GDDR5

256bit

Memory Bus

256bit

973.8GB/s

Bandwidth

124.8GB/s

Render Config

-

Compute Units

10

84

SM Count

-

10752

Shading Units

800

336

TMUs

40

128

ROPs

16

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

256 KB

-

Theoretical Performance

322.6 GPixel/s

Pixel Rate

13.60 GPixel/s

846.7 GTexel/s

Texture Rate

34.00 GTexel/s

54.19 TFLOPS

FP16 (half)

-

54.19 TFLOPS

FP32 (float)

1360 GFLOPS

846.7 GFLOPS

FP64 (double)

272.0 GFLOPS

Board Design

350W

TDP

190W

750 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

2x 6-pin

Graphics Processor

GB203

GPU Name

RV790

GB203-400-A1

GPU Variant

RV790 XT (215-0758016)

Blackwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

0

Process Size

55 nm

Unknown

Transistors

0.959 billion

377 mm²

Die Size

282 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

10.1

CUDA

-

6.8

Shader Model

4.1

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