AMD Radeon RX 455 OEM vs ATI Radeon HD 4250

VS

AMD Radeon RX 455 OEM ATI Radeon HD 4250

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 512MB VRAM Radeon HD 4250 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 7 years and 4 months late

Larger VRAM bandwidth (104.0GB/s vs 6.336GB/s)

728 additional rendering cores

ATI Radeon HD 4250 's Advantages

Lower TDP (25W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM +3260%

1.613 TFLOPS

Radeon HD 4250

0.048 TFLOPS

Radeon RX 455 OEM

VS

Radeon HD 4250

Graphics Card

Jun 2016

Release Date

Feb 2009

Arctic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1625 MHz

Memory Clock

396 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

104.0GB/s

Bandwidth

6.336GB/s

Render Config

-

SM Count

-

12

Compute Units

2

768

Shading Units

40

48

TMUs

4

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

2.376 GPixel/s

50.40 GTexel/s

Texture Rate

2.376 GTexel/s

-

FP16 (half)

-

1.613 TFLOPS

FP32 (float)

47.52 GFLOPS

100.8 GFLOPS

FP64 (double)

-

Graphics Processor

Tobago

GPU Name

RV620

Tobago PRO (215-0875010)

GPU Variant

RV620 LE

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.08 billion

Transistors

0.181 billion

160 mm²

Die Size

67 mm²

Board Design

100W

TDP

25W

300 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

4.1

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