AMD Radeon RX 455 OEM vs ATI Radeon HD 3850 AGP

VS

AMD Radeon RX 455 OEM ATI Radeon HD 3850 AGP

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 512MB VRAM Radeon HD 3850 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 455 OEM 's Advantages

Released 8 years and 5 months late

Larger VRAM bandwidth (104.0GB/s vs 52.99GB/s)

448 additional rendering cores

ATI Radeon HD 3850 AGP 's Advantages

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM +276%

1.613 TFLOPS

Radeon HD 3850 AGP

0.428 TFLOPS

Radeon RX 455 OEM

VS

Radeon HD 3850 AGP

Graphics Card

Jun 2016

Release Date

Jan 2008

Arctic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

Base Clock

-

Boost Clock

-

1625 MHz

Memory Clock

828 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

104.0GB/s

Bandwidth

52.99GB/s

Render Config

-

SM Count

-

12

Compute Units

4

768

Shading Units

320

48

TMUs

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

Theoretical Performance

16.80 GPixel/s

Pixel Rate

10.69 GPixel/s

50.40 GTexel/s

Texture Rate

10.69 GTexel/s

-

FP16 (half)

-

1.613 TFLOPS

FP32 (float)

427.5 GFLOPS

100.8 GFLOPS

FP64 (double)

85.50 GFLOPS

Graphics Processor

Tobago

GPU Name

RV670

Tobago PRO (215-0875010)

GPU Variant

RV670 PRO (215-0708003)

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.666 billion

160 mm²

Die Size

192 mm²

Board Design

100W

TDP

75W

300 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 8-pin

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

4.1

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