AMD Radeon RX 455 OEM vs AMD Radeon RX 7900 GRE

VS

AMD Radeon RX 455 OEM

AMD Radeon RX 7900 GRE

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM 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 RX 455 OEM 's Advantages

Lower TDP (100W vs 260W)

AMD Radeon RX 7900 GRE 's Advantages

Released 7 years and 1 months late

Boost Clock2245MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 104.0GB/s)

4352 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM

1.613 TFLOPS

Radeon RX 7900 GRE +2750%

45.98 TFLOPS

Radeon RX 455 OEM

VS

Radeon RX 7900 GRE

Graphics Card

Jun 2016

Release Date

Jul 2023

Arctic 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

1625 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

104.0GB/s

Bandwidth

576.0GB/s

Render Config

12

Compute Units

80

-

768

Shading Units

5120

48

TMUs

320

16

ROPs

160

-

RT Cores

80

16 KB (per CU)

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

-

L3 Cache

64 MB

Theoretical Performance

16.80 GPixel/s

Pixel Rate

359.2 GPixel/s

50.40 GTexel/s

Texture Rate

718.4 GTexel/s

-

FP16 (half)

91.96 TFLOPS

1.613 TFLOPS

FP32 (float)

45.98 TFLOPS

100.8 GFLOPS

FP64 (double)

1437 GFLOPS

Board Design

100W

TDP

260W

300 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

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

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Tobago

GPU Name

Navi 31

Tobago PRO (215-0875010)

GPU Variant

Navi 31 XL (215-145000206)

GCN 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.08 billion

Transistors

57.7 billion

160 mm²

Die Size

529 mm²

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

-

6.3

Shader Model

6.7

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