AMD Radeon HD 6790 vs NVIDIA GeForce RTX 3080 Ti

VS

AMD Radeon HD 6790

NVIDIA GeForce RTX 3080 Ti

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 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 6790 's Advantages

Lower TDP (150W vs 350W)

NVIDIA GeForce RTX 3080 Ti 's Advantages

Released 10 years and 1 months late

Boost Clock1665MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (912.4GB/s vs 134.4GB/s)

9440 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6790

1.344 TFLOPS

GeForce RTX 3080 Ti +2437%

34.1 TFLOPS

Radeon HD 6790

VS

GeForce RTX 3080 Ti

Graphics Card

Apr 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

1050 MHz

Memory Clock

1188 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

384bit

134.4GB/s

Bandwidth

912.4GB/s

Render Config

10

Compute Units

-

SM Count

80

800

Shading Units

10240

40

TMUs

320

16

ROPs

112

-

Tensor Cores

320

-

RT Cores

80

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

6 MB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

186.5 GPixel/s

33.60 GTexel/s

Texture Rate

532.8 GTexel/s

-

FP16 (half)

34.10 TFLOPS

1344 GFLOPS

FP32 (float)

34.10 TFLOPS

-

FP64 (double)

532.8 GFLOPS

Board Design

150W

TDP

350W

450 W

Suggested PSU

750 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 12-pin

Graphics Processor

Barts

GPU Name

GA102

Barts LE (215-0798002)

GPU Variant

GA102-225-A1

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.7 billion

Transistors

28.3 billion

255 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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