AMD Radeon HD 6490 vs NVIDIA GeForce RTX 3080

VS

AMD Radeon HD 6490

NVIDIA GeForce RTX 3080

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6490 and 10GB VRAM GeForce RTX 3080 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 320W)

NVIDIA GeForce RTX 3080 's Advantages

Released 9 years and 2 months late

Boost Clock1710MHz

More VRAM (10GB vs 1024GB)

Larger VRAM bandwidth (760.3GB/s vs 16.00GB/s)

8384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490

0.352 TFLOPS

GeForce RTX 3080 +8357%

29.77 TFLOPS

Radeon HD 6490

VS

GeForce RTX 3080

Graphics Card

Jul 2011

Release Date

Sep 2020

Northern Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1440 MHz

-

Boost Clock

1710 MHz

500 MHz

Memory Clock

1188 MHz

Memory

1024MB

Memory Size

10GB

DDR2

Memory Type

GDDR6X

128bit

Memory Bus

320bit

16.00GB/s

Bandwidth

760.3GB/s

Render Config

4

Compute Units

-

SM Count

68

320

Shading Units

8704

16

TMUs

272

8

ROPs

96

-

Tensor Cores

272

-

RT Cores

68

8 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

5 MB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

164.2 GPixel/s

8.800 GTexel/s

Texture Rate

465.1 GTexel/s

-

FP16 (half)

29.77 TFLOPS

352.0 GFLOPS

FP32 (float)

29.77 TFLOPS

-

FP64 (double)

465.1 GFLOPS

Board Design

39W

TDP

320W

200 W

Suggested PSU

700 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

GA102-200-KD-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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