NVIDIA GeForce RTX 3080 Ti Mobile vs AMD Radeon HD 6490M

VS

NVIDIA GeForce RTX 3080 Ti Mobile AMD Radeon HD 6490M

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Mobile and 512MB VRAM Radeon HD 6490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages

Released 11 years late

Boost Clock1260MHz

Larger VRAM bandwidth (512.0GB/s vs 25.60GB/s)

7264 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti Mobile +7208%

18.71 TFLOPS

Radeon HD 6490M

0.256 TFLOPS

GeForce RTX 3080 Ti Mobile

VS

Radeon HD 6490M

Graphics Card

Jan 2022

Release Date

Jan 2011

GeForce 30 Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

810 MHz

Base Clock

-

1260 MHz

Boost Clock

-

2000 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

25.60GB/s

Render Config

58

SM Count

-

Compute Units

2

7424

Shading Units

160

232

TMUs

8

96

ROPs

4

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

128 KB

Theoretical Performance

121.0 GPixel/s

Pixel Rate

3.200 GPixel/s

292.3 GTexel/s

Texture Rate

6.400 GTexel/s

18.71 TFLOPS

FP16 (half)

-

18.71 TFLOPS

FP32 (float)

256.0 GFLOPS

292.3 GFLOPS

FP64 (double)

-

Graphics Processor

GA103S

GPU Name

Seymour

GN20-E8-A1

GPU Variant

Seymour XTX S3 (216-0809024)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

Unknown

Transistors

0.37 billion

496 mm²

Die Size

67 mm²

Board Design

115W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

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

8.6

CUDA

-

6.5

Shader Model

5.0

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