AMD Radeon RX 6600 vs ATI Radeon X1950 GT

VS

AMD Radeon RX 6600

ATI Radeon X1950 GT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 256MB VRAM Radeon X1950 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 's Advantages

Released 14 years and 9 months late

Boost Clock2491MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (224.0GB/s vs 38.40GB/s)

1792 additional rendering cores

ATI Radeon X1950 GT 's Advantages

Lower TDP (57W vs 132W)

Score

Radeon RX 6600

VS

Radeon X1950 GT

Graphics Card

Oct 2021

Release Date

Jan 2007

Navi II

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

1626 MHz

Base Clock

-

2491 MHz

Boost Clock

-

1750 MHz

Memory Clock

600 MHz

Memory

8GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

38.40GB/s

Render Config

28

Compute Units

-

1792

Shading Units

-

112

TMUs

12

64

ROPs

12

-

28

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

-

32 MB

L3 Cache

-

Theoretical Performance

159.4 GPixel/s

Pixel Rate

6.000 GPixel/s

279.0 GTexel/s

Texture Rate

6.000 GTexel/s

17.86 TFLOPS

FP16 (half)

-

8.928 TFLOPS

FP32 (float)

-

558.0 GFLOPS

FP64 (double)

-

Board Design

132W

TDP

57W

300 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 23

GPU Name

RV570

Navi 23 XL (215-130000016)

GPU Variant

RV570 XL

RDNA 2.0

Architecture

R500

TSMC

Foundry

TSMC

7 nm

Process Size

80 nm

11.06 billion

Transistors

0.33 billion

237 mm²

Die Size

230 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1 (full) 3.0 (partial)

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.5

Shader Model

3.0

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