AMD Radeon HD 7790 vs NVIDIA GeForce RTX 3090

VS

AMD Radeon HD 7790

NVIDIA GeForce RTX 3090

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 24GB VRAM GeForce RTX 3090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Lower TDP (85W vs 350W)

NVIDIA GeForce RTX 3090 's Advantages

Released 7 years and 6 months late

Boost Clock1695MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (936.2GB/s vs 96.00GB/s)

9600 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7790

1.792 TFLOPS

GeForce RTX 3090 +1885%

35.58 TFLOPS

Radeon HD 7790

VS

GeForce RTX 3090

Graphics Card

Mar 2013

Release Date

Sep 2020

Southern Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1395 MHz

-

Boost Clock

1695 MHz

1500 MHz

Memory Clock

1219 MHz

Memory

1024MB

Memory Size

24GB

GDDR5

Memory Type

GDDR6X

128bit

Memory Bus

384bit

96.00GB/s

Bandwidth

936.2GB/s

Render Config

14

Compute Units

-

SM Count

82

896

Shading Units

10496

56

TMUs

328

16

ROPs

112

-

Tensor Cores

328

-

RT Cores

82

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

189.8 GPixel/s

56.00 GTexel/s

Texture Rate

556.0 GTexel/s

-

FP16 (half)

35.58 TFLOPS

1.792 TFLOPS

FP32 (float)

35.58 TFLOPS

112.0 GFLOPS

FP64 (double)

556.0 GFLOPS

Board Design

85W

TDP

350W

250 W

Suggested PSU

750 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 12-pin

Graphics Processor

Bonaire

GPU Name

GA102

Bonaire XT (215-0839039)

GPU Variant

GA102-300-A1

GCN 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

2.08 billion

Transistors

28.3 billion

160 mm²

Die Size

628 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

6.3

Shader Model

6.6

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