NVIDIA GeForce RTX 4080 vs ATI Radeon HD 4650

VS

NVIDIA GeForce RTX 4080

ATI Radeon HD 4650

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 256MB VRAM Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 's Advantages

Released 14 years late

Boost Clock2505MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (716.8GB/s vs 22.40GB/s)

9408 additional rendering cores

ATI Radeon HD 4650 's Advantages

Lower TDP (48W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 +12592%

48.74 TFLOPS

Radeon HD 4650

0.384 TFLOPS

GeForce RTX 4080

VS

Radeon HD 4650

Graphics Card

Sep 2022

Release Date

Sep 2008

GeForce 40

Generation

Radeon R700

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

700 MHz

Memory

16GB

Memory Size

256MB

GDDR6X

Memory Type

GDDR3

256bit

Memory Bus

128bit

716.8GB/s

Bandwidth

22.40GB/s

Render Config

-

Compute Units

4

76

SM Count

-

9728

Shading Units

320

304

TMUs

32

112

ROPs

8

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

128 KB

-

Theoretical Performance

280.6 GPixel/s

Pixel Rate

4.800 GPixel/s

761.5 GTexel/s

Texture Rate

19.20 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

384.0 GFLOPS

761.5 GFLOPS

FP64 (double)

-

Board Design

320W

TDP

48W

700 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

-

Graphics Processor

AD103

GPU Name

RV730

AD103-300-A1

GPU Variant

RV730 PRO (215-0719056)

Ada Lovelace

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

45.9 billion

Transistors

0.514 billion

379 mm²

Die Size

146 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

4.1

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