ATI Radeon HD 4870 X2 vs AMD Radeon R9 Nano

VS

ATI Radeon HD 4870 X2

AMD Radeon R9 Nano

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 4GB VRAM Radeon R9 Nano 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 HD 4870 X2

1.2 TFLOPS

Radeon R9 Nano +582%

8.192 TFLOPS

Radeon HD 4870 X2

VS

Radeon R9 Nano

Graphics Card

Aug 2008

Release Date

Aug 2015

Radeon R700

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

HBM

256bit

Memory Bus

4096bit

115.2GB/s

Bandwidth

512.0GB/s

Render Config

10

Compute Units

64

-

800

Shading Units

4096

40

TMUs

256

16

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

64.00 GPixel/s

30.00 GTexel/s

Texture Rate

256.0 GTexel/s

-

FP16 (half)

8.192 TFLOPS

1200 GFLOPS

FP32 (float)

8.192 TFLOPS

240.0 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

286W

TDP

175W

600 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

R700

GPU Name

Fiji

R700 XT (215-0669045)

GPU Variant

Fiji XT CA (215-0862120)

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

8.9 billion

256 mm²

Die Size

596 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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