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

VS

AMD Radeon RX 455 OEM ATI Radeon HD 2600 XT X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 512MB VRAM Radeon HD 2600 XT X2 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 11 months late

Larger VRAM bandwidth (104.0GB/s vs 25.60GB/s)

648 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM +740%

1.613 TFLOPS

Radeon HD 2600 XT X2

0.192 TFLOPS

Radeon RX 455 OEM

VS

Radeon HD 2600 XT X2

Graphics Card

Jun 2016

Release Date

Jul 2007

Arctic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1625 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

104.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

12

Compute Units

3

768

Shading Units

120

48

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

Theoretical Performance

16.80 GPixel/s

Pixel Rate

3.200 GPixel/s

50.40 GTexel/s

Texture Rate

6.400 GTexel/s

-

FP16 (half)

-

1.613 TFLOPS

FP32 (float)

192.0 GFLOPS

100.8 GFLOPS

FP64 (double)

-

Graphics Processor

Tobago

GPU Name

RV630

Tobago PRO (215-0875010)

GPU Variant

-

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

2.08 billion

Transistors

0.39 billion

160 mm²

Die Size

153 mm²

Board Design

100W

TDP

Unknown

300 W

Suggested PSU

200 W

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

Outputs

4x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (12_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

4.0

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