AMD Radeon Pro 580 vs AMD Radeon HD 6490M

VS

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro 580 and 512MB VRAM Radeon HD 6490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 580 's Advantages

Released 6 years and 5 months late

Boost Clock1200MHz

Larger VRAM bandwidth (217.0GB/s vs 25.60GB/s)

2144 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 580 +2060%

5.53 TFLOPS

Radeon HD 6490M

0.256 TFLOPS

Radeon Pro 580

VS

Radeon HD 6490M

Graphics Card

Jun 2017

Release Date

Jan 2011

Radeon Pro Mac

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1200 MHz

Boost Clock

-

1695 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

217.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

36

Compute Units

2

2304

Shading Units

160

144

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

Theoretical Performance

38.40 GPixel/s

Pixel Rate

3.200 GPixel/s

172.8 GTexel/s

Texture Rate

6.400 GTexel/s

5.530 TFLOPS

FP16 (half)

-

5.530 TFLOPS

FP32 (float)

256.0 GFLOPS

345.6 GFLOPS

FP64 (double)

-

Graphics Processor

Ellesmere

GPU Name

Seymour

Ellesmere XTA (216-0886220)

GPU Variant

Seymour XTX S3 (216-0809024)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.37 billion

232 mm²

Die Size

67 mm²

Board Design

185W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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