AMD Radeon HD 7490M vs ATI Mobility Radeon HD 4860

VS

AMD Radeon HD 7490M ATI Mobility Radeon HD 4860

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7490M and 1024MB VRAM Mobility Radeon HD 4860 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7490M 's Advantages

Released 2 years and 10 months late

ATI Mobility Radeon HD 4860 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 30.40GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7490M

0.256 TFLOPS

Mobility Radeon HD 4860 +225%

0.832 TFLOPS

Radeon HD 7490M

VS

Mobility Radeon HD 4860

Graphics Card

Jan 2012

Release Date

Mar 2009

London

Generation

M9x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

950 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

30.40GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

2

Compute Units

8

160

Shading Units

640

8

TMUs

32

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

Theoretical Performance

3.200 GPixel/s

Pixel Rate

10.40 GPixel/s

6.400 GTexel/s

Texture Rate

20.80 GTexel/s

-

FP16 (half)

-

256.0 GFLOPS

FP32 (float)

832.0 GFLOPS

-

FP64 (double)

166.4 GFLOPS

Graphics Processor

Seymour

GPU Name

M97

Seymour XTX (216-0810005)

GPU Variant

M97 M2 XT (216-0731000)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.826 billion

67 mm²

Die Size

137 mm²

Board Design

9W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

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