AMD Radeon HD 6490 vs NVIDIA GeForce RTX 3080 Ti

VS

AMD Radeon HD 6490

NVIDIA GeForce RTX 3080 Ti

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

Main Differences

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 350W)

NVIDIA GeForce RTX 3080 Ti 's Advantages

Released 9 years and 10 months late

Boost Clock1665MHz

More VRAM (12GB vs 1024GB)

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

9920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490

0.352 TFLOPS

GeForce RTX 3080 Ti +9587%

34.1 TFLOPS

Radeon HD 6490

VS

GeForce RTX 3080 Ti

Graphics Card

Jul 2011

Release Date

May 2021

Northern Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1365 MHz

-

Boost Clock

1665 MHz

500 MHz

Memory Clock

1188 MHz

Memory

1024MB

Memory Size

12GB

DDR2

Memory Type

GDDR6X

128bit

Memory Bus

384bit

16.00GB/s

Bandwidth

912.4GB/s

Render Config

4

Compute Units

-

SM Count

80

320

Shading Units

10240

16

TMUs

320

8

ROPs

112

-

Tensor Cores

320

-

RT Cores

80

8 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

186.5 GPixel/s

8.800 GTexel/s

Texture Rate

532.8 GTexel/s

-

FP16 (half)

34.10 TFLOPS

352.0 GFLOPS

FP32 (float)

34.10 TFLOPS

-

FP64 (double)

532.8 GFLOPS

Board Design

39W

TDP

350W

200 W

Suggested PSU

750 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 12-pin

Graphics Processor

Redwood

GPU Name

GA102

Redwood LE

GPU Variant

GA102-225-A1

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

0.627 billion

Transistors

28.3 billion

104 mm²

Die Size

628 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

5.0

Shader Model

6.6

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