NVIDIA GeForce RTX 2080 Max Q vs AMD Radeon HD 6490M Mac Edition

VS

NVIDIA GeForce RTX 2080 Max Q

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2080 Max Q and 256MB VRAM Radeon HD 6490M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 Max Q 's Advantages

Released 7 years and 8 months late

Boost Clock1095MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (384.0GB/s vs 25.41GB/s)

2784 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 2080 Max Q +2586%

6.447 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

GeForce RTX 2080 Max Q

VS

Radeon HD 6490M Mac Edition

Graphics Card

Jan 2019

Release Date

May 2011

GeForce 20 Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

735 MHz

Base Clock

-

1095 MHz

Boost Clock

-

1500 MHz

Memory Clock

794 MHz

Memory

8GB

Memory Size

256MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

384.0GB/s

Bandwidth

25.41GB/s

Render Config

-

Compute Units

2

46

SM Count

-

2944

Shading Units

160

184

TMUs

8

64

ROPs

4

368

Tensor Cores

-

46

RT Cores

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

128 KB

-

Theoretical Performance

70.08 GPixel/s

Pixel Rate

3.000 GPixel/s

201.5 GTexel/s

Texture Rate

6.000 GTexel/s

12.89 TFLOPS

FP16 (half)

-

6.447 TFLOPS

FP32 (float)

240.0 GFLOPS

201.5 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

TU104

GPU Name

Seymour

N18E-G3-A1

GPU Variant

Seymour XTX M2 (216-0809000)

Turing

Architecture

TeraScale 2

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

13.6 billion

Transistors

0.37 billion

545 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

7.5

CUDA

-

6.6

Shader Model

5.0

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