AMD Radeon RX 6900 XTX vs ATI Radeon X1950 XTX Uber Edition

VS

AMD Radeon RX 6900 XTX ATI Radeon X1950 XTX Uber Edition

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 512MB VRAM Radeon X1950 XTX Uber Edition 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

Larger VRAM bandwidth (576.0GB/s vs 67.20GB/s)

5120 additional rendering cores

ATI Radeon X1950 XTX Uber Edition 's Advantages

Lower TDP (125W vs 330W)

Score

Radeon RX 6900 XTX

VS

Radeon X1950 XTX Uber Edition

Graphics Card

Unknown

Release Date

Jan 2007

Navi II

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

2075 MHz

Base Clock

-

2435 MHz

Boost Clock

-

2250 MHz

Memory Clock

1050 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR4

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

67.20GB/s

Render Config

-

SM Count

-

80

Compute Units

-

5120

Shading Units

-

320

TMUs

16

128

ROPs

16

-

Tensor Cores

-

80

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

-

Theoretical Performance

311.7 GPixel/s

Pixel Rate

10.72 GPixel/s

779.2 GTexel/s

Texture Rate

10.72 GTexel/s

49.87 TFLOPS

FP16 (half)

-

24.93 TFLOPS

FP32 (float)

-

1.558 TFLOPS

FP64 (double)

-

Graphics Processor

Navi 21

GPU Name

R580+

Navi 21 XTXH (215-121000247)

GPU Variant

R580+ XT (215BAABKA31FG)

RDNA 2.0

Architecture

R500

TSMC

Foundry

TSMC

7 nm

Process Size

90 nm

26.8 billion

Transistors

0.384 billion

520 mm²

Die Size

352 mm²

Board Design

330W

TDP

125W

700 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x VHDCI

2x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1 (full) 3.0 (partial)

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

3.0

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