ATI Mobility Radeon HD 4830 vs ATI Mobility Radeon HD 3850 X2

VS

ATI Mobility Radeon HD 4830 ATI Mobility Radeon HD 3850 X2

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4830 and 512MB VRAM Mobility Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4830 's Advantages

Released 9 months late

More VRAM (1024GB vs 512GB)

320 additional rendering cores

ATI Mobility Radeon HD 3850 X2 's Advantages

Larger VRAM bandwidth (48.00GB/s vs 25.60GB/s)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4830 +72%

0.64 TFLOPS

Mobility Radeon HD 3850 X2

0.371 TFLOPS

Mobility Radeon HD 4830

VS

Mobility Radeon HD 3850 X2

Graphics Card

Mar 2009

Release Date

Jun 2008

M9x

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

750 MHz

Memory

1024MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

48.00GB/s

Render Config

-

SM Count

-

8

Compute Units

4

640

Shading Units

320

32

TMUs

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

256 KB

Theoretical Performance

8.000 GPixel/s

Pixel Rate

9.280 GPixel/s

16.00 GTexel/s

Texture Rate

9.280 GTexel/s

-

FP16 (half)

-

640.0 GFLOPS

FP32 (float)

371.2 GFLOPS

128.0 GFLOPS

FP64 (double)

74.24 GFLOPS

Graphics Processor

M97

GPU Name

M88

M97 M2 (216-0731004)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.826 billion

Transistors

0.666 billion

137 mm²

Die Size

192 mm²

Board Design

Unknown

TDP

70W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

4.1

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