ATI Mobility Radeon HD 4850 vs AMD Radeon HD 7490M

VS

ATI Mobility Radeon HD 4850 AMD Radeon HD 7490M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 and 1024MB VRAM Radeon HD 7490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 30.40GB/s)

640 additional rendering cores

AMD Radeon HD 7490M 's Advantages

Released 3 years late

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4850 +214%

0.804 TFLOPS

Radeon HD 7490M

0.256 TFLOPS

Mobility Radeon HD 4850

VS

Radeon HD 7490M

Graphics Card

Jan 2009

Release Date

Jan 2012

M9x

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

850 MHz

Memory Clock

950 MHz

Memory

1024MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

64bit

54.40GB/s

Bandwidth

30.40GB/s

Render Config

-

SM Count

-

10

Compute Units

2

800

Shading Units

160

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

8.048 GPixel/s

Pixel Rate

3.200 GPixel/s

20.12 GTexel/s

Texture Rate

6.400 GTexel/s

-

FP16 (half)

-

804.8 GFLOPS

FP32 (float)

256.0 GFLOPS

161.0 GFLOPS

FP64 (double)

-

Graphics Processor

M98

GPU Name

Seymour

M98 L2 (216-0732019)

GPU Variant

Seymour XTX (216-0810005)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

0.37 billion

256 mm²

Die Size

67 mm²

Board Design

Unknown

TDP

9W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

5.0

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