ATI Mobility Radeon HD 4850 vs ATI Mobility Radeon X1900

VS

ATI Mobility Radeon HD 4850 ATI Mobility Radeon X1900

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 and 256MB VRAM Mobility Radeon X1900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 's Advantages

Released 2 years late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (54.40GB/s vs 30.08GB/s)

800 additional rendering cores

Score

Mobility Radeon HD 4850

VS

Mobility Radeon X1900

Graphics Card

Jan 2009

Release Date

Jan 2007

M9x

Generation

M6x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-III

Clock Speeds

-

Base Clock

-

Boost Clock

-

850 MHz

Memory Clock

470 MHz

Memory

1024MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

256bit

54.40GB/s

Bandwidth

30.08GB/s

Render Config

-

SM Count

-

10

Compute Units

-

800

Shading Units

-

40

TMUs

12

16

ROPs

12

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

8.048 GPixel/s

Pixel Rate

4.800 GPixel/s

20.12 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

804.8 GFLOPS

FP32 (float)

-

161.0 GFLOPS

FP64 (double)

-

Graphics Processor

M98

GPU Name

M68

M98 L2 (216-0732019)

GPU Variant

-

TeraScale

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.956 billion

Transistors

0.312 billion

256 mm²

Die Size

230 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

9.0c (9_3)

3.3

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

3.0

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