AMD Radeon R9 Nano vs ATI Radeon HD 2900 XTX

VS

AMD Radeon R9 Nano ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 Nano and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 Nano 's Advantages

Larger VRAM bandwidth (512.0GB/s vs 106.0GB/s)

3776 additional rendering cores

Lower TDP (175W vs 240W)

Score

Benchmark

FP32 (float)

Radeon R9 Nano +1621%

8.192 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

Radeon R9 Nano

VS

Radeon HD 2900 XTX

Graphics Card

Aug 2015

Release Date

Unknown

Pirate Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

500 MHz

Memory Clock

828 MHz

Memory

4GB

Memory Size

512MB

HBM

Memory Type

GDDR3

4096bit

Memory Bus

512bit

512.0GB/s

Bandwidth

106.0GB/s

Render Config

-

SM Count

-

64

Compute Units

4

4096

Shading Units

320

256

TMUs

16

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

2 MB

L2 Cache

256 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

11.89 GPixel/s

256.0 GTexel/s

Texture Rate

11.89 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

475.5 GFLOPS

512.0 GFLOPS

FP64 (double)

-

Graphics Processor

Fiji

GPU Name

R600

Fiji XT CA (215-0862120)

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

8.9 billion

Transistors

0.72 billion

596 mm²

Die Size

420 mm²

Board Design

175W

TDP

240W

450 W

Suggested PSU

550 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 (12_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

4.0

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