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

VS

NVIDIA GeForce GTX 645 OEM

ATI Radeon X1950 XTX Uber Edition

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

Main Differences

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)

ATI Radeon X1950 XTX Uber Edition 's Advantages

Larger VRAM bandwidth (67.20GB/s vs 64.00GB/s)

Score

GeForce GTX 645 OEM

VS

Radeon X1950 XTX Uber Edition

Graphics Card

Apr 2013

Release Date

Jan 2007

GeForce 600

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

67.20GB/s

Render Config

-

576

Shading Units

-

48

TMUs

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

10.72 GPixel/s

39.55 GTexel/s

Texture Rate

10.72 GTexel/s

-

949.2 GFLOPS

FP32 (float)

-

39.55 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

125W

250 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x VHDCI

None

Power Connectors

1x 6-pin

Graphics Processor

GK106

GPU Name

R580+

GK106-200-A1

GPU Variant

R580+ XT (215BAABKA31FG)

Kepler

Architecture

R500

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

2.54 billion

Transistors

0.384 billion

221 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1 (full) 3.0 (partial)

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

3.0

Related GPU Comparisons

1

NVIDIA GeForce GTX 645 OEM vs ATI Radeon HD 5770

2

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce RTX 2070 SUPER

3

NVIDIA GeForce GTX 645 OEM vs NVIDIA TITAN V

4

NVIDIA GeForce GTX 645 OEM vs ATI Radeon X1650

5

NVIDIA GeForce GTX 645 OEM vs AMD FirePro W4300

6

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce RTX 5060 Mobile

7

NVIDIA GeForce GTX 645 OEM vs AMD Radeon R9 360 OEM

8

NVIDIA GeForce GTX 645 OEM vs ATI Radeon HD 5690

9

NVIDIA GeForce GTX 645 OEM vs AMD Radeon HD 7870 XT

10

NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GTX 660

Related News

1

Introducing the AMD Ryzen 9 9955HX: A First Look at the Flagship Gaming Laptop CPU

2

AMD's Thunderous Strike: Ryzen 9 9950X3D Performance Scores Revealed for the First Time!

3

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

4

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

5

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

6

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

7

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

8

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

9

CXMT Reportedly Achieves 80% Yield in DDR5 Production

10

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N