AMD Radeon R7 265X OEM vs AMD Radeon RX 6800 XT

VS

AMD Radeon R7 265X OEM

AMD Radeon RX 6800 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265X OEM and 16GB VRAM Radeon RX 6800 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 300W)

AMD Radeon RX 6800 XT 's Advantages

Released 6 years and 2 months late

Boost Clock has increased by 143% (2250MHz vs 925MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 179.2GB/s)

3328 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 265X OEM

2.368 TFLOPS

Radeon RX 6800 XT +775%

20.74 TFLOPS

Radeon R7 265X OEM

VS

Radeon RX 6800 XT

Graphics Card

Aug 2014

Release Date

Oct 2020

Volcanic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

900 MHz

Base Clock

1825 MHz

925 MHz

Boost Clock

2250 MHz

1400 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

179.2GB/s

Bandwidth

512.0GB/s

Render Config

20

Compute Units

72

-

1280

Shading Units

4608

80

TMUs

288

32

ROPs

128

-

RT Cores

72

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

288.0 GPixel/s

74.00 GTexel/s

Texture Rate

648.0 GTexel/s

-

FP16 (half)

41.47 TFLOPS

2.368 TFLOPS

FP32 (float)

20.74 TFLOPS

148.0 GFLOPS

FP64 (double)

1296 GFLOPS

Board Design

150W

TDP

300W

450 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Curacao

GPU Name

Navi 21

Curacao PRO (215-0848000)

GPU Variant

Navi 21 XT (215-121000177)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

26.8 billion

212 mm²

Die Size

520 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

6.5

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