AMD Radeon R9 390X vs ATI Radeon X1950 XTX Uber Edition

VS

AMD Radeon R9 390X ATI Radeon X1950 XTX Uber Edition

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X 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 R9 390X 's Advantages

Released 8 years and 5 months late

Larger VRAM bandwidth (384.0GB/s vs 67.20GB/s)

2816 additional rendering cores

ATI Radeon X1950 XTX Uber Edition 's Advantages

Lower TDP (125W vs 275W)

Score

Radeon R9 390X

VS

Radeon X1950 XTX Uber Edition

Graphics Card

Jun 2015

Release Date

Jan 2007

Pirate Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1500 MHz

Memory Clock

1050 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

67.20GB/s

Render Config

-

SM Count

-

44

Compute Units

-

2816

Shading Units

-

176

TMUs

16

64

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

-

Theoretical Performance

67.20 GPixel/s

Pixel Rate

10.72 GPixel/s

184.8 GTexel/s

Texture Rate

10.72 GTexel/s

-

FP16 (half)

-

5.914 TFLOPS

FP32 (float)

-

739.2 GFLOPS

FP64 (double)

-

Graphics Processor

Grenada

GPU Name

R580+

Grenada XT (215-0880004)

GPU Variant

R580+ XT (215BAABKA31FG)

GCN 2.0

Architecture

R500

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

6.2 billion

Transistors

0.384 billion

438 mm²

Die Size

352 mm²

Board Design

275W

TDP

125W

600 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x VHDCI

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 (12_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1 (full) 3.0 (partial)

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

3.0

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