AMD Radeon RX 6600 XT vs AMD Radeon R7 350X OEM

VS

AMD Radeon RX 6600 XT AMD Radeon R7 350X OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 4GB VRAM Radeon R7 350X OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Released 6 years and 2 months late

Boost Clock has increased by 147% (2589MHz vs 1050MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 32.00GB/s)

1664 additional rendering cores

AMD Radeon R7 350X OEM 's Advantages

Lower TDP (65W vs 160W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +1215%

10.6 TFLOPS

Radeon R7 350X OEM

0.806 TFLOPS

Radeon RX 6600 XT

VS

Radeon R7 350X OEM

Graphics Card

Jul 2021

Release Date

May 2015

Navi II

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1968 MHz

Base Clock

1000 MHz

2589 MHz

Boost Clock

1050 MHz

2000 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

32

Compute Units

6

2048

Shading Units

384

128

TMUs

24

64

ROPs

8

-

Tensor Cores

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

165.7 GPixel/s

Pixel Rate

8.400 GPixel/s

331.4 GTexel/s

Texture Rate

25.20 GTexel/s

21.21 TFLOPS

FP16 (half)

-

10.60 TFLOPS

FP32 (float)

806.4 GFLOPS

662.8 GFLOPS

FP64 (double)

50.40 GFLOPS

Graphics Processor

Navi 23

GPU Name

Oland

Navi 23 XT (215-130000006)

GPU Variant

Oland XT (215-0837000)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

0.95 billion

237 mm²

Die Size

77 mm²

Board Design

160W

TDP

65W

450 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

5.1

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