ATI Radeon X1950 GT vs NVIDIA GeForce GT 420 OEM

VS

ATI Radeon X1950 GT

NVIDIA GeForce GT 420 OEM

We compared two Desktop platform GPUs: 256MB VRAM Radeon X1950 GT 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 GT 's Advantages

Larger VRAM bandwidth (38.40GB/s vs 28.80GB/s)

NVIDIA GeForce GT 420 OEM 's Advantages

Released 3 years and 8 months late

More VRAM (1024GB vs 256GB)

48 additional rendering cores

Lower TDP (50W vs 57W)

Score

Radeon X1950 GT

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

-

600 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

38.40GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

1

-

Shading Units

48

12

TMUs

4

12

ROPs

4

-

L1 Cache

64 KB (per SM)

-

L2 Cache

256 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

1.400 GPixel/s

6.000 GTexel/s

Texture Rate

2.800 GTexel/s

-

FP32 (float)

134.4 GFLOPS

-

FP64 (double)

11.20 GFLOPS

Board Design

57W

TDP

50W

250 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

RV570

GPU Name

GF108

RV570 XL

GPU Variant

GF108-200-A1

R500

Architecture

Fermi

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.33 billion

Transistors

0.585 billion

230 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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