ATI Radeon X1950 XTX Uber Edition vs NVIDIA GeForce GTX 645 OEM

VS

ATI Radeon X1950 XTX Uber Edition

NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon X1950 XTX Uber Edition and 1024MB VRAM GeForce GTX 645 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 64.00GB/s)

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 6 years and 3 months late

More VRAM (1024GB vs 512GB)

576 additional rendering cores

Lower TDP (65W vs 125W)

Score

Radeon X1950 XTX Uber Edition

VS

GeForce GTX 645 OEM

Graphics Card

Jan 2007

Release Date

Apr 2013

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

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

128bit

67.20GB/s

Bandwidth

64.00GB/s

Render Config

-

Shading Units

576

16

TMUs

48

16

ROPs

16

-

L1 Cache

16 KB (per SMX)

-

L2 Cache

256 KB

-

Theoretical Performance

10.72 GPixel/s

Pixel Rate

9.888 GPixel/s

10.72 GTexel/s

Texture Rate

39.55 GTexel/s

-

FP32 (float)

949.2 GFLOPS

-

FP64 (double)

39.55 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

GK106

R580+ XT (215BAABKA31FG)

GPU Variant

GK106-200-A1

R500

Architecture

Kepler

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.384 billion

Transistors

2.54 billion

352 mm²

Die Size

221 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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