ATI Mobility Radeon HD 4850 X2 vs AMD Radeon RX 7900M

VS

ATI Mobility Radeon HD 4850 X2

AMD Radeon RX 7900M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 16GB VRAM Radeon RX 7900M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900M 's Advantages

Released 14 years and 9 months late

Boost Clock2090MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (576.0GB/s vs 89.60GB/s)

3808 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 X2

0.8 TFLOPS

Radeon RX 7900M +4715%

38.52 TFLOPS

Mobility Radeon HD 4850 X2

VS

Radeon RX 7900M

Graphics Card

Jan 2009

Release Date

Oct 2023

M9x

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2090 MHz

700 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

89.60GB/s

Bandwidth

576.0GB/s

Render Config

10

Compute Units

72

-

800

Shading Units

4608

40

TMUs

288

16

ROPs

192

-

RT Cores

72

16 KB (per CU)

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

-

L3 Cache

64 MB

Theoretical Performance

8.000 GPixel/s

Pixel Rate

401.3 GPixel/s

20.00 GTexel/s

Texture Rate

601.9 GTexel/s

-

FP16 (half)

77.05 TFLOPS

800.0 GFLOPS

FP32 (float)

38.52 TFLOPS

160.0 GFLOPS

FP64 (double)

1204 GFLOPS

Board Design

Unknown

TDP

180W

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

M98

GPU Name

Navi 31

M98 L2 (216-0732019)

GPU Variant

Navi 31

TeraScale

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

5 nm

0.956 billion

Transistors

57.7 billion

256 mm²

Die Size

529 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

2.2

N/A

Vulkan

1.3

-

4.1

Shader Model

6.7

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