AMD Radeon R5 340 OEM vs AMD Radeon RX 6600

VS

AMD Radeon R5 340 OEM

AMD Radeon RX 6600

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R5 340 OEM and 8GB VRAM Radeon RX 6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 340 OEM 's Advantages

Lower TDP (65W vs 132W)

AMD Radeon RX 6600 's Advantages

Released 6 years and 5 months late

Boost Clock has increased by 219% (2491MHz vs 780MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 36.80GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 340 OEM

0.599 TFLOPS

Radeon RX 6600 +1390%

8.928 TFLOPS

Radeon R5 340 OEM

VS

Radeon RX 6600

Graphics Card

May 2015

Release Date

Oct 2021

Pirate Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

730 MHz

Base Clock

1626 MHz

780 MHz

Boost Clock

2491 MHz

1150 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

128bit

36.80GB/s

Bandwidth

224.0GB/s

Render Config

6

Compute Units

28

-

384

Shading Units

1792

24

TMUs

112

8

ROPs

64

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

6.240 GPixel/s

Pixel Rate

159.4 GPixel/s

18.72 GTexel/s

Texture Rate

279.0 GTexel/s

-

FP16 (half)

17.86 TFLOPS

599.0 GFLOPS

FP32 (float)

8.928 TFLOPS

37.44 GFLOPS

FP64 (double)

558.0 GFLOPS

Board Design

65W

TDP

132W

250 W

Suggested PSU

300 W

1x DVI 1x DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

Oland

GPU Name

Navi 23

Oland PRO (215-0837015)

GPU Variant

Navi 23 XL (215-130000016)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

0.95 billion

Transistors

11.06 billion

77 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

6.5

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