AMD Radeon R7 265X OEM vs AMD Radeon RX 6600 XT

VS

AMD Radeon R7 265X OEM

AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265X OEM and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 265X OEM 's Advantages

Lower TDP (150W vs 160W)

AMD Radeon RX 6600 XT 's Advantages

Released 6 years and 11 months late

Boost Clock has increased by 180% (2589MHz vs 925MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 179.2GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 265X OEM

2.368 TFLOPS

Radeon RX 6600 XT +347%

10.6 TFLOPS

Radeon R7 265X OEM

VS

Radeon RX 6600 XT

Graphics Card

Aug 2014

Release Date

Jul 2021

Volcanic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

900 MHz

Base Clock

1968 MHz

925 MHz

Boost Clock

2589 MHz

1400 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

179.2GB/s

Bandwidth

256.0GB/s

Render Config

20

Compute Units

32

-

1280

Shading Units

2048

80

TMUs

128

32

ROPs

64

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

165.7 GPixel/s

74.00 GTexel/s

Texture Rate

331.4 GTexel/s

-

FP16 (half)

21.21 TFLOPS

2.368 TFLOPS

FP32 (float)

10.60 TFLOPS

148.0 GFLOPS

FP64 (double)

662.8 GFLOPS

Board Design

150W

TDP

160W

450 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Curacao

GPU Name

Navi 23

Curacao PRO (215-0848000)

GPU Variant

Navi 23 XT (215-130000006)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

11.06 billion

212 mm²

Die Size

237 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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