AMD Radeon R9 Nano vs AMD Radeon RX 7900 GRE

VS

AMD Radeon R9 Nano AMD Radeon RX 7900 GRE

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 Nano and 16GB VRAM Radeon RX 7900 GRE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 Nano 's Advantages

Lower TDP (175W vs 260W)

AMD Radeon RX 7900 GRE 's Advantages

Released 7 years and 11 months late

Boost Clock2245MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (576.0GB/s vs 512.0GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 Nano

8.192 TFLOPS

Radeon RX 7900 GRE +461%

45.98 TFLOPS

3DMark Time Spy

Radeon R9 Nano

4607

Radeon RX 7900 GRE +383%

22258

Radeon R9 Nano

VS

Radeon RX 7900 GRE

Graphics Card

Aug 2015

Release Date

Jul 2023

Pirate Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1287 MHz

-

Boost Clock

2245 MHz

500 MHz

Memory Clock

2250 MHz

Memory

4GB

Memory Size

16GB

HBM

Memory Type

GDDR6

4096bit

Memory Bus

256bit

512.0GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

-

64

Compute Units

80

4096

Shading Units

5120

256

TMUs

320

64

ROPs

160

-

Tensor Cores

-

RT Cores

80

16 KB (per CU)

L1 Cache

256 KB per Array

2 MB

L2 Cache

6 MB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

359.2 GPixel/s

256.0 GTexel/s

Texture Rate

718.4 GTexel/s

8.192 TFLOPS

FP16 (half)

91.96 TFLOPS

8.192 TFLOPS

FP32 (float)

45.98 TFLOPS

512.0 GFLOPS

FP64 (double)

1437 GFLOPS

Graphics Processor

Fiji

GPU Name

Navi 31

Fiji XT CA (215-0862120)

GPU Variant

Navi 31 XL

GCN 3.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

8.9 billion

Transistors

57.7 billion

596 mm²

Die Size

529 mm²

Board Design

175W

TDP

260W

450 W

Suggested PSU

600 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

1x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.2

1.2

Vulkan

1.3

-

CUDA

-

6.3

Shader Model

6.7

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