ATI Radeon X1950 PRO DUAL vs NVIDIA GeForce GT 645 OEM

VS

ATI Radeon X1950 PRO DUAL

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon X1950 PRO DUAL and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Released 5 years and 3 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (91.87GB/s vs 44.16GB/s)

288 additional rendering cores

Lower TDP (102W vs 130W)

Score

Radeon X1950 PRO DUAL

VS

GeForce GT 645 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 2.0 x16

Clock Speeds

-

690 MHz

Memory Clock

957 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

192bit

44.16GB/s

Bandwidth

91.87GB/s

Render Config

-

SM Count

6

-

Shading Units

288

12

TMUs

48

12

ROPs

24

-

L1 Cache

64 KB (per SM)

-

L2 Cache

384 KB

-

Theoretical Performance

6.900 GPixel/s

Pixel Rate

9.312 GPixel/s

6.900 GTexel/s

Texture Rate

37.25 GTexel/s

-

FP32 (float)

894.0 GFLOPS

-

FP64 (double)

74.50 GFLOPS

Board Design

130W

TDP

102W

300 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

-

Graphics Processor

RV570

GPU Name

GF114

RV570 XT (215PADAKA12FG)

GPU Variant

-

R500

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.33 billion

Transistors

1.95 billion

230 mm²

Die Size

332 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_0)

2.1 (full) 3.0 (partial)

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

3.0

Shader Model

5.1

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