NVIDIA GeForce RTX 4080 vs AMD Radeon HD 6790

VS

NVIDIA GeForce RTX 4080

AMD Radeon HD 6790

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 1024MB VRAM Radeon HD 6790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 's Advantages

Released 11 years and 5 months late

Boost Clock2505MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (716.8GB/s vs 134.4GB/s)

8928 additional rendering cores

AMD Radeon HD 6790 's Advantages

Lower TDP (150W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 +3526%

48.74 TFLOPS

Radeon HD 6790

1.344 TFLOPS

GeForce RTX 4080

VS

Radeon HD 6790

Graphics Card

Sep 2022

Release Date

Apr 2011

GeForce 40

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2205 MHz

Base Clock

-

2505 MHz

Boost Clock

-

1400 MHz

Memory Clock

1050 MHz

Memory

16GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

256bit

716.8GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

10

76

SM Count

-

9728

Shading Units

800

304

TMUs

40

112

ROPs

16

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

64 MB

L2 Cache

512 KB

-

Theoretical Performance

280.6 GPixel/s

Pixel Rate

13.44 GPixel/s

761.5 GTexel/s

Texture Rate

33.60 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

1344 GFLOPS

761.5 GFLOPS

FP64 (double)

-

Board Design

320W

TDP

150W

700 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 16-pin

Power Connectors

2x 6-pin

Graphics Processor

AD103

GPU Name

Barts

AD103-300-A1

GPU Variant

Barts LE (215-0798002)

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

45.9 billion

Transistors

1.7 billion

379 mm²

Die Size

255 mm²

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

8.9

CUDA

-

6.7

Shader Model

5.0

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