ATI Radeon X1950 GT vs NVIDIA GeForce GT 640

VS

ATI Radeon X1950 GT

NVIDIA GeForce GT 640

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

Larger VRAM bandwidth (38.40GB/s vs 28.51GB/s)

Lower TDP (57W vs 65W)

NVIDIA GeForce GT 640 's Advantages

Released 5 years and 5 months late

More VRAM (2GB vs 256GB)

384 additional rendering cores

Score

Radeon X1950 GT

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

-

600 MHz

Memory Clock

891 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

38.40GB/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

6.000 GPixel/s

Pixel Rate

7.216 GPixel/s

6.000 GTexel/s

Texture Rate

28.86 GTexel/s

-

FP32 (float)

692.7 GFLOPS

-

FP64 (double)

28.86 GFLOPS

Board Design

57W

TDP

65W

250 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 XL

GPU Variant

GK107-300-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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