AMD Radeon R9 Nano vs ATI Radeon HD 4870 X2

VS

AMD Radeon R9 Nano

ATI Radeon HD 4870 X2

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 Nano and 1024MB VRAM Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 Nano 's Advantages

Released 7 years late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 115.2GB/s)

3296 additional rendering cores

Lower TDP (175W vs 286W)

Score

Benchmark

FP32 (float)

Radeon R9 Nano +582%

8.192 TFLOPS

Radeon HD 4870 X2

1.2 TFLOPS

Radeon R9 Nano

VS

Radeon HD 4870 X2

Graphics Card

Aug 2015

Release Date

Aug 2008

Pirate Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

256bit

512.0GB/s

Bandwidth

115.2GB/s

Render Config

64

Compute Units

10

-

4096

Shading Units

800

256

TMUs

40

64

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

12.00 GPixel/s

256.0 GTexel/s

Texture Rate

30.00 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

1200 GFLOPS

512.0 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

175W

TDP

286W

450 W

Suggested PSU

600 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Fiji

GPU Name

R700

Fiji XT CA (215-0862120)

GPU Variant

R700 XT (215-0669045)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

8.9 billion

Transistors

0.956 billion

596 mm²

Die Size

256 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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