AMD Radeon RX 7800 XT vs AMD Radeon HD 7720 OEM

VS

AMD Radeon RX 7800 XT AMD Radeon HD 7720 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 1024MB VRAM Radeon HD 7720 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 XT 's Advantages

Released 10 years and 5 months late

Boost Clock2430MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (624.1GB/s vs 134.4GB/s)

3040 additional rendering cores

AMD Radeon HD 7720 OEM 's Advantages

Lower TDP (150W vs 263W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 XT +2676%

37.32 TFLOPS

Radeon HD 7720 OEM

1.344 TFLOPS

Radeon RX 7800 XT

VS

Radeon HD 7720 OEM

Graphics Card

Aug 2023

Release Date

Mar 2013

Navi III

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1295 MHz

Base Clock

-

2430 MHz

Boost Clock

-

2438 MHz

Memory Clock

1050 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

624.1GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

60

Compute Units

10

3840

Shading Units

800

240

TMUs

40

96

ROPs

32

-

Tensor Cores

-

60

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

Theoretical Performance

233.3 GPixel/s

Pixel Rate

26.88 GPixel/s

583.2 GTexel/s

Texture Rate

33.60 GTexel/s

74.65 TFLOPS

FP16 (half)

-

37.32 TFLOPS

FP32 (float)

1344 GFLOPS

1166 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 32

GPU Name

Barts

Navi 32 XT (215-180000006)

GPU Variant

Barts LE (215-0798002)

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

28.1 billion

Transistors

1.7 billion

346 mm²

Die Size

255 mm²

Board Design

263W

TDP

150W

600 W

Suggested PSU

450 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

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

2x 8-pin

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.7

Shader Model

5.0

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