NVIDIA GeForce RTX 4090 Mobile vs ATI Mobility Radeon HD 4850

VS

NVIDIA GeForce RTX 4090 Mobile ATI Mobility Radeon HD 4850

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 1024MB VRAM Mobility Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Mobile 's Advantages

Released 14 years late

Boost Clock1695MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (576.0GB/s vs 54.40GB/s)

8928 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Mobile +4001%

32.98 TFLOPS

Mobility Radeon HD 4850

0.804 TFLOPS

GeForce RTX 4090 Mobile

VS

Mobility Radeon HD 4850

Graphics Card

Jan 2023

Release Date

Jan 2009

GeForce 40 Mobile

Generation

M9x

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1335 MHz

Base Clock

-

1695 MHz

Boost Clock

-

2250 MHz

Memory Clock

850 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

54.40GB/s

Render Config

76

SM Count

-

Compute Units

10

9728

Shading Units

800

304

TMUs

40

112

ROPs

16

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

256 KB

Theoretical Performance

189.8 GPixel/s

Pixel Rate

8.048 GPixel/s

515.3 GTexel/s

Texture Rate

20.12 GTexel/s

32.98 TFLOPS

FP16 (half)

-

32.98 TFLOPS

FP32 (float)

804.8 GFLOPS

515.3 GFLOPS

FP64 (double)

161.0 GFLOPS

Graphics Processor

AD103

GPU Name

M98

GN21-X11

GPU Variant

M98 L2 (216-0732019)

Ada Lovelace

Architecture

TeraScale

TSMC

Foundry

TSMC

4 nm

Process Size

55 nm

45.9 billion

Transistors

0.956 billion

379 mm²

Die Size

256 mm²

Board Design

120W

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

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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