ATI Radeon X1950 XTX Uber Edition vs NVIDIA GeForce GT 420 OEM

VS

ATI Radeon X1950 XTX Uber Edition

NVIDIA GeForce GT 420 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon X1950 XTX Uber Edition and 1024MB VRAM GeForce GT 420 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon X1950 XTX Uber Edition 's Advantages

Larger VRAM bandwidth (67.20GB/s vs 28.80GB/s)

NVIDIA GeForce GT 420 OEM 's Advantages

Released 3 years and 8 months late

More VRAM (1024GB vs 512GB)

48 additional rendering cores

Lower TDP (50W vs 125W)

Score

Radeon X1950 XTX Uber Edition

VS

GeForce GT 420 OEM

Graphics Card

Jan 2007

Release Date

Sep 2010

Radeon R500 PCIe

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR4

Memory Type

DDR3

256bit

Memory Bus

128bit

67.20GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

1

-

Shading Units

48

16

TMUs

4

16

ROPs

4

-

L1 Cache

64 KB (per SM)

-

L2 Cache

256 KB

-

Theoretical Performance

10.72 GPixel/s

Pixel Rate

1.400 GPixel/s

10.72 GTexel/s

Texture Rate

2.800 GTexel/s

-

FP32 (float)

134.4 GFLOPS

-

FP64 (double)

11.20 GFLOPS

Board Design

125W

TDP

50W

300 W

Suggested PSU

250 W

1x DVI 1x VHDCI

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

R580+

GPU Name

GF108

R580+ XT (215BAABKA31FG)

GPU Variant

GF108-200-A1

R500

Architecture

Fermi

TSMC

Foundry

TSMC

90 nm

Process Size

40 nm

0.384 billion

Transistors

0.585 billion

352 mm²

Die Size

116 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_0)

2.1 (full) 3.0 (partial)

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

3.0

Shader Model

5.1

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