AMD Radeon RX 455 OEM vs AMD Radeon RX 6600 XT

VS

AMD Radeon RX 455 OEM AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 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 RX 455 OEM 's Advantages

Lower TDP (100W vs 160W)

AMD Radeon RX 6600 XT 's Advantages

Released 5 years and 1 months late

Boost Clock2589MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 104.0GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM

1.613 TFLOPS

Radeon RX 6600 XT +557%

10.6 TFLOPS

Radeon RX 455 OEM

VS

Radeon RX 6600 XT

Graphics Card

Jun 2016

Release Date

Jul 2021

Arctic Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1968 MHz

-

Boost Clock

2589 MHz

1625 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

104.0GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

12

Compute Units

32

768

Shading Units

2048

48

TMUs

128

16

ROPs

64

-

Tensor Cores

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

Theoretical Performance

16.80 GPixel/s

Pixel Rate

165.7 GPixel/s

50.40 GTexel/s

Texture Rate

331.4 GTexel/s

-

FP16 (half)

21.21 TFLOPS

1.613 TFLOPS

FP32 (float)

10.60 TFLOPS

100.8 GFLOPS

FP64 (double)

662.8 GFLOPS

Graphics Processor

Tobago

GPU Name

Navi 23

Tobago PRO (215-0875010)

GPU Variant

Navi 23 XT (215-130000006)

GCN 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.08 billion

Transistors

11.06 billion

160 mm²

Die Size

237 mm²

Board Design

100W

TDP

160W

300 W

Suggested PSU

450 W

1x 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 Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

6.3

Shader Model

6.7

Related GPU Comparisons

1

NVIDIA GeForce 9300 GS vs AMD Radeon RX 455 OEM

2

AMD Radeon RX 455 OEM vs ATI Radeon HD 2600 XT X2

3

NVIDIA GeForce 8600 GT vs AMD Radeon RX 455 OEM

4

AMD Radeon RX 455 OEM vs NVIDIA GeForce GTX 1660 Ti

5

NVIDIA GeForce GT 1010 vs AMD Radeon RX 455 OEM

6

NVIDIA GeForce RTX 3080 Ti vs AMD Radeon RX 455 OEM

7

AMD FireStream 9270 vs AMD Radeon RX 455 OEM

8

AMD Radeon RX 455 OEM vs ATI Radeon HD 4730

9

AMD Radeon RX 455 OEM vs AMD Radeon RX 6700 XT

10

AMD Radeon RX 455 OEM vs AMD Radeon R5 230

Related News

1

NVIDIA Grace CPU Benchmark Results Released, Stunning Performance

2

Minisforum Launches UM890 Pro Mini PC with R9 8945HS and Dual USB4 Ports

3

Does the Apple A18 Neural Engine Boast Superior Performance? Computational Power May Surpass M4 Chip

4

AMD's Commitment to Pioneering Each Generation with Cutting-Edge Process Technology and Continuous Innovation in Design, Packaging, and Assembly

5

NVIDIA to Ramp Up Orders and Add New Suppliers to Meet Explosive Demand for Blackwell Products

6

NVIDIA Informs Brands of Reduced Supply for RTX 40 Series GPUs

7

Only 3 Weeks Left! AMD Zen5 Launching Soon

8

Ilya Departs OpenAI to Launch New Company Aiming at Superintelligence!

9

Comprehensive Overview of AMD Ryzen 9000 Zen5 Desktop CPUs

10

Intel May Increase Base Frequencies for Arrow Lake-S / H / HX, High-End Chips to Reach 3GHz or Higher