AMD Radeon RX 7800M vs ATI Mobility Radeon HD 4850 X2

VS

AMD Radeon RX 7800M

ATI Mobility Radeon HD 4850 X2

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 7800M and 1024MB VRAM Mobility Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800M 's Advantages

Released 15 years and 8 months late

Boost Clock2145MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (432GB/s vs 89.60GB/s)

3040 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7800M +4383%

35.87 TFLOPS

Mobility Radeon HD 4850 X2

0.8 TFLOPS

Radeon RX 7800M

VS

Mobility Radeon HD 4850 X2

Graphics Card

Sep 2024

Release Date

Jan 2009

Navi Mobile

Generation

M9x

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2145 MHz

Boost Clock

-

2250 MHz

Memory Clock

700 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

432GB/s

Bandwidth

89.60GB/s

Render Config

60

Compute Units

10

-

3840

Shading Units

800

240

TMUs

40

96

ROPs

16

-

60

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

48 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

8.000 GPixel/s

560.4 GTexel/s

Texture Rate

20.00 GTexel/s

71.73 TFLOPS

FP16 (half)

-

35.87 TFLOPS

FP32 (float)

800.0 GFLOPS

1121 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

180W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

M98

Navi 32

GPU Variant

M98 L2 (216-0732019)

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

28.1 billion

Transistors

0.956 billion

529 mm²

Die Size

256 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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