AMD Radeon RX 6900 XTX vs NVIDIA GeForce GTX 555 OEM

VS

AMD Radeon RX 6900 XTX NVIDIA GeForce GTX 555 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 1024MB VRAM GeForce GTX 555 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XTX 's Advantages

Boost Clock2435MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (576.0GB/s vs 91.87GB/s)

4832 additional rendering cores

NVIDIA GeForce GTX 555 OEM 's Advantages

Lower TDP (150W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +2839%

24.93 TFLOPS

GeForce GTX 555 OEM

0.848 TFLOPS

Radeon RX 6900 XTX

VS

GeForce GTX 555 OEM

Graphics Card

Unknown

Release Date

May 2011

Navi II

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2075 MHz

Base Clock

-

2435 MHz

Boost Clock

-

2250 MHz

Memory Clock

957 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

192bit

576.0GB/s

Bandwidth

91.87GB/s

Render Config

-

SM Count

6

80

Compute Units

-

5120

Shading Units

288

320

TMUs

48

128

ROPs

24

-

Tensor Cores

-

80

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

384 KB

Theoretical Performance

311.7 GPixel/s

Pixel Rate

8.832 GPixel/s

779.2 GTexel/s

Texture Rate

35.33 GTexel/s

49.87 TFLOPS

FP16 (half)

-

24.93 TFLOPS

FP32 (float)

847.9 GFLOPS

1.558 TFLOPS

FP64 (double)

70.66 GFLOPS

Graphics Processor

Navi 21

GPU Name

GF114

Navi 21 XTXH (215-121000247)

GPU Variant

GF114-200-KB-A1

RDNA 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

1.95 billion

520 mm²

Die Size

332 mm²

Board Design

330W

TDP

150W

700 W

Suggested PSU

450 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.5

Shader Model

5.1

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