AMD Radeon R9 Nano vs ATI Radeon HD 4250

VS

AMD Radeon R9 Nano

ATI Radeon HD 4250

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 Nano 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 R9 Nano 's Advantages

Released 6 years and 6 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 6.336GB/s)

4056 additional rendering cores

ATI Radeon HD 4250 's Advantages

Lower TDP (25W vs 175W)

Score

Benchmark

FP32 (float)

Radeon R9 Nano +16966%

8.192 TFLOPS

Radeon HD 4250

0.048 TFLOPS

Radeon R9 Nano

VS

Radeon HD 4250

Graphics Card

Aug 2015

Release Date

Feb 2009

Pirate Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

396 MHz

Memory

4GB

Memory Size

512MB

HBM

Memory Type

DDR2

4096bit

Memory Bus

64bit

512.0GB/s

Bandwidth

6.336GB/s

Render Config

64

Compute Units

2

-

4096

Shading Units

40

256

TMUs

4

64

ROPs

4

-

16 KB (per CU)

L1 Cache

-

2 MB

L2 Cache

64 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

2.376 GPixel/s

256.0 GTexel/s

Texture Rate

2.376 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

47.52 GFLOPS

512.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

25W

450 W

Suggested PSU

200 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

1x 8-pin

Power Connectors

None

Graphics Processor

Fiji

GPU Name

RV620

Fiji XT CA (215-0862120)

GPU Variant

RV620 LE

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

8.9 billion

Transistors

0.181 billion

596 mm²

Die Size

67 mm²

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

-

6.3

Shader Model

4.1

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