ATI Mobility Radeon HD 3850 vs AMD Radeon HD 7450M

VS

ATI Mobility Radeon HD 3850 AMD Radeon HD 7450M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3850 and 1024MB VRAM Radeon HD 7450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3850 's Advantages

Larger VRAM bandwidth (48.00GB/s vs 14.40GB/s)

160 additional rendering cores

AMD Radeon HD 7450M 's Advantages

Released 3 years and 7 months late

More VRAM (1024GB vs 512GB)

Lower TDP (7W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3850 +65%

0.371 TFLOPS

Radeon HD 7450M

0.224 TFLOPS

Mobility Radeon HD 3850

VS

Radeon HD 7450M

Graphics Card

Jun 2008

Release Date

Jan 2012

M8x

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

750 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

64bit

48.00GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

4

Compute Units

2

320

Shading Units

160

16

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

9.280 GPixel/s

Pixel Rate

2.800 GPixel/s

9.280 GTexel/s

Texture Rate

5.600 GTexel/s

-

FP16 (half)

-

371.2 GFLOPS

FP32 (float)

224.0 GFLOPS

74.24 GFLOPS

FP64 (double)

-

Graphics Processor

M88

GPU Name

Seymour

-

GPU Variant

Seymour PRO

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

0.37 billion

192 mm²

Die Size

67 mm²

Board Design

35W

TDP

7W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

5.0

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