AMD Radeon HD 7790 vs AMD Radeon RX 7900 XTX

VS

AMD Radeon HD 7790 AMD Radeon RX 7900 XTX

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 24GB VRAM Radeon RX 7900 XTX 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 355W)

AMD Radeon RX 7900 XTX 's Advantages

Released 9 years and 8 months late

Boost Clock2498MHz

More VRAM (24GB vs 1GB)

Larger VRAM bandwidth (960.0GB/s vs 96.00GB/s)

5248 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7790

1.792 TFLOPS

Radeon RX 7900 XTX +3325%

61.39 TFLOPS

Radeon HD 7790

VS

Radeon RX 7900 XTX

Graphics Card

Mar 2013

Release Date

Nov 2022

Southern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1929 MHz

-

Boost Clock

2498 MHz

1500 MHz

Memory Clock

2500 MHz

Memory

1024MB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

384bit

96.00GB/s

Bandwidth

960.0GB/s

Render Config

-

SM Count

-

14

Compute Units

96

896

Shading Units

6144

56

TMUs

384

16

ROPs

192

-

Tensor Cores

-

RT Cores

96

16 KB (per CU)

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

479.6 GPixel/s

56.00 GTexel/s

Texture Rate

959.2 GTexel/s

-

FP16 (half)

122.8 TFLOPS

1.792 TFLOPS

FP32 (float)

61.39 TFLOPS

112.0 GFLOPS

FP64 (double)

1.918 TFLOPS

Graphics Processor

Bonaire

GPU Name

Navi 31

Bonaire XT (215-0839039)

GPU Variant

Navi 31 XTX (215-145000146)

GCN 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.08 billion

Transistors

57.7 billion

160 mm²

Die Size

529 mm²

Board Design

85W

TDP

355W

250 W

Suggested PSU

750 W

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

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

1x 6-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.2

1.2

Vulkan

1.3

-

CUDA

-

6.3

Shader Model

6.7

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