ATI Radeon X1950 XTX Uber Edition vs NVIDIA GeForce GT 640 Rev. 2

VS

ATI Radeon X1950 XTX Uber Edition NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 512MB VRAM Radeon X1950 XTX Uber Edition and 1024MB VRAM GeForce GT 640 Rev. 2 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 40.06GB/s)

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Released 6 years and 4 months late

More VRAM (1024GB vs 512GB)

384 additional rendering cores

Lower TDP (49W vs 125W)

Score

Radeon X1950 XTX Uber Edition

VS

GeForce GT 640 Rev. 2

Graphics Card

Jan 2007

Release Date

May 2013

Radeon R500 PCIe

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

1252 MHz

Memory

512MB

Memory Size

1024MB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

64bit

67.20GB/s

Bandwidth

40.06GB/s

Render Config

-

SM Count

-

Compute Units

-

Shading Units

384

16

TMUs

32

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

-

L2 Cache

512 KB

Theoretical Performance

10.72 GPixel/s

Pixel Rate

8.368 GPixel/s

10.72 GTexel/s

Texture Rate

33.47 GTexel/s

-

FP16 (half)

-

FP32 (float)

803.3 GFLOPS

-

FP64 (double)

33.47 GFLOPS

Graphics Processor

R580+

GPU Name

GK208

R580+ XT (215BAABKA31FG)

GPU Variant

GK208-400-A1

R500

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.384 billion

Transistors

1.02 billion

352 mm²

Die Size

87 mm²

Board Design

125W

TDP

49W

300 W

Suggested PSU

200 W

1x DVI 1x VHDCI

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin

Power Connectors

None

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

3.5

3.0

Shader Model

5.1

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