ATI Radeon X1950 XTX Uber Edition vs NVIDIA GeForce GT 640

VS

ATI Radeon X1950 XTX Uber Edition

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 512MB VRAM Radeon X1950 XTX Uber Edition and 2GB VRAM GeForce GT 640 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 28.51GB/s)

NVIDIA GeForce GT 640 's Advantages

Released 5 years and 5 months late

More VRAM (2GB vs 512GB)

384 additional rendering cores

Lower TDP (65W vs 125W)

Score

Radeon X1950 XTX Uber Edition

VS

GeForce GT 640

Graphics Card

Jan 2007

Release Date

Jun 2012

Radeon R500 PCIe

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

891 MHz

Memory

512MB

Memory Size

2GB

GDDR4

Memory Type

DDR3

256bit

Memory Bus

128bit

67.20GB/s

Bandwidth

28.51GB/s

Render Config

-

Shading Units

384

16

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per SMX)

-

L2 Cache

256 KB

-

Theoretical Performance

10.72 GPixel/s

Pixel Rate

7.216 GPixel/s

10.72 GTexel/s

Texture Rate

28.86 GTexel/s

-

FP32 (float)

692.7 GFLOPS

-

FP64 (double)

28.86 GFLOPS

Board Design

125W

TDP

65W

300 W

Suggested PSU

250 W

1x DVI 1x VHDCI

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

R580+

GPU Name

GK107

R580+ XT (215BAABKA31FG)

GPU Variant

GK107-300-A2

R500

Architecture

Kepler

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.384 billion

Transistors

1.27 billion

352 mm²

Die Size

118 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_0)

2.1 (full) 3.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

Shader Model

5.1

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