ATI Radeon HD 3830 vs AMD Radeon RX 7900 XT

VS

ATI Radeon HD 3830

AMD Radeon RX 7900 XT

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3830 and 20GB VRAM Radeon RX 7900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3830 's Advantages

Lower TDP (75W vs 300W)

AMD Radeon RX 7900 XT 's Advantages

Released 14 years and 7 months late

Boost Clock2394MHz

More VRAM (20GB vs 256GB)

Larger VRAM bandwidth (800.0GB/s vs 26.50GB/s)

5056 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3830

0.428 TFLOPS

Radeon RX 7900 XT +11928%

51.48 TFLOPS

Radeon HD 3830

VS

Radeon RX 7900 XT

Graphics Card

Apr 2008

Release Date

Nov 2022

Radeon R600

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1387 MHz

-

Boost Clock

2394 MHz

828 MHz

Memory Clock

2500 MHz

Memory

256MB

Memory Size

20GB

GDDR3

Memory Type

GDDR6

128bit

Memory Bus

320bit

26.50GB/s

Bandwidth

800.0GB/s

Render Config

4

Compute Units

84

-

320

Shading Units

5376

16

TMUs

336

16

ROPs

192

-

RT Cores

84

-

L1 Cache

256 KB per Array

128 KB

L2 Cache

6 MB

-

L3 Cache

80 MB

Theoretical Performance

10.69 GPixel/s

Pixel Rate

459.6 GPixel/s

10.69 GTexel/s

Texture Rate

804.4 GTexel/s

-

FP16 (half)

103.0 TFLOPS

427.5 GFLOPS

FP32 (float)

51.48 TFLOPS

85.50 GFLOPS

FP64 (double)

1.609 TFLOPS

Board Design

75W

TDP

300W

250 W

Suggested PSU

700 W

No outputs

Outputs

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

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

RV670

GPU Name

Navi 31

RV670 PRO (215-0708003)

GPU Variant

Navi 31 XT (215-145000156)

TeraScale

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

5 nm

0.666 billion

Transistors

57.7 billion

192 mm²

Die Size

529 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.2

N/A

Vulkan

1.3

-

4.1

Shader Model

6.7

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