ATI Radeon X1950 PRO DUAL vs NVIDIA GeForce GT 640 OEM

VS

ATI Radeon X1950 PRO DUAL

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon X1950 PRO DUAL and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon X1950 PRO DUAL 's Advantages

Larger VRAM bandwidth (44.16GB/s vs 28.51GB/s)

NVIDIA GeForce GT 640 OEM 's Advantages

Released 5 years and 3 months late

More VRAM (2GB vs 512GB)

384 additional rendering cores

Lower TDP (50W vs 130W)

Score

Radeon X1950 PRO DUAL

VS

GeForce GT 640 OEM

Graphics Card

Jan 2007

Release Date

Apr 2012

Radeon R500 PCIe

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

690 MHz

Memory Clock

891 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

44.16GB/s

Bandwidth

28.51GB/s

Render Config

-

Shading Units

384

12

TMUs

32

12

ROPs

16

-

L1 Cache

16 KB (per SMX)

-

L2 Cache

256 KB

-

Theoretical Performance

6.900 GPixel/s

Pixel Rate

6.376 GPixel/s

6.900 GTexel/s

Texture Rate

25.50 GTexel/s

-

FP32 (float)

612.1 GFLOPS

-

FP64 (double)

25.50 GFLOPS

Board Design

130W

TDP

50W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

RV570

GPU Name

GK107

RV570 XT (215PADAKA12FG)

GPU Variant

GK107-320-A2

R500

Architecture

Kepler

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.33 billion

Transistors

1.27 billion

230 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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