NVIDIA GeForce RTX 3080 Ti vs AMD Radeon HD 6490

VS

NVIDIA GeForce RTX 3080 Ti AMD Radeon HD 6490

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 Ti and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 's Advantages

Released 9 years and 10 months late

Boost Clock1665MHz

More VRAM (12GB vs 1GB)

Larger VRAM bandwidth (912.4GB/s vs 16.00GB/s)

9920 additional rendering cores

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti +9587%

34.1 TFLOPS

Radeon HD 6490

0.352 TFLOPS

GeForce RTX 3080 Ti

VS

Radeon HD 6490

Graphics Card

May 2021

Release Date

Jul 2011

GeForce 30

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1365 MHz

Base Clock

-

1665 MHz

Boost Clock

-

1188 MHz

Memory Clock

500 MHz

Memory

12GB

Memory Size

1024MB

GDDR6X

Memory Type

DDR2

384bit

Memory Bus

128bit

912.4GB/s

Bandwidth

16.00GB/s

Render Config

80

SM Count

-

Compute Units

4

10240

Shading Units

320

TMUs

16

112

ROPs

8

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

256 KB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

4.400 GPixel/s

532.8 GTexel/s

Texture Rate

8.800 GTexel/s

34.10 TFLOPS

FP16 (half)

-

34.10 TFLOPS

FP32 (float)

352.0 GFLOPS

532.8 GFLOPS

FP64 (double)

-

Graphics Processor

GA102

GPU Name

Redwood

GA102-225-A1

GPU Variant

Redwood LE

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

0.627 billion

628 mm²

Die Size

104 mm²

Board Design

350W

TDP

39W

750 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 12-pin

Power Connectors

None

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

-

6.6

Shader Model

5.0

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