NVIDIA GeForce RTX 4090 vs ATI Radeon HD 4850

VS

NVIDIA GeForce RTX 4090 ATI Radeon HD 4850

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 512MB VRAM Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 14 years and 3 months late

Boost Clock2520MHz

Larger VRAM bandwidth (1008GB/s vs 63.55GB/s)

15584 additional rendering cores

ATI Radeon HD 4850 's Advantages

Lower TDP (110W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +8158%

82.58 TFLOPS

Radeon HD 4850

1 TFLOPS

GeForce RTX 4090

VS

Radeon HD 4850

Graphics Card

Sep 2022

Release Date

Jun 2008

GeForce 40

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

993 MHz

Memory

24GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR3

384bit

Memory Bus

256bit

1008GB/s

Bandwidth

63.55GB/s

Render Config

128

SM Count

-

Compute Units

10

16384

Shading Units

800

512

TMUs

40

176

ROPs

16

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

72 MB

L2 Cache

256 KB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

10.00 GPixel/s

1290 GTexel/s

Texture Rate

25.00 GTexel/s

82.58 TFLOPS

FP16 (half)

-

82.58 TFLOPS

FP32 (float)

1000 GFLOPS

1290 GFLOPS

FP64 (double)

200.0 GFLOPS

Graphics Processor

AD102

GPU Name

RV770

AD102-300-A1

GPU Variant

RV770 PRO (215-0669065)

Ada Lovelace

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

76.3 billion

Transistors

0.956 billion

609 mm²

Die Size

256 mm²

Board Design

450W

TDP

110W

850 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

1x 6-pin

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

8.9

CUDA

-

6.7

Shader Model

4.1

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