AMD Radeon RX 7900 GRE vs AMD Radeon R9 Nano

VS

AMD Radeon RX 7900 GRE AMD Radeon R9 Nano

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE 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 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

AMD Radeon R9 Nano 's Advantages

Lower TDP (175W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 GRE +461%

45.98 TFLOPS

Radeon R9 Nano

8.192 TFLOPS

3DMark Time Spy

Radeon RX 7900 GRE +383%

22258

Radeon R9 Nano

4607

Radeon RX 7900 GRE

VS

Radeon R9 Nano

Graphics Card

Jul 2023

Release Date

Aug 2015

Navi III

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1287 MHz

Base Clock

-

2245 MHz

Boost Clock

-

2250 MHz

Memory Clock

500 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

HBM

256bit

Memory Bus

4096bit

576.0GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

80

Compute Units

64

5120

Shading Units

4096

320

TMUs

256

160

ROPs

64

-

Tensor Cores

-

80

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

2 MB

Theoretical Performance

359.2 GPixel/s

Pixel Rate

64.00 GPixel/s

718.4 GTexel/s

Texture Rate

256.0 GTexel/s

91.96 TFLOPS

FP16 (half)

8.192 TFLOPS

45.98 TFLOPS

FP32 (float)

8.192 TFLOPS

1437 GFLOPS

FP64 (double)

512.0 GFLOPS

Graphics Processor

Navi 31

GPU Name

Fiji

Navi 31 XL

GPU Variant

Fiji XT CA (215-0862120)

RDNA 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

8.9 billion

529 mm²

Die Size

596 mm²

Board Design

260W

TDP

175W

600 W

Suggested PSU

450 W

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

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

2x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.0

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

6.3

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