NVIDIA GeForce GTX 650 Ti Boost vs ATI Radeon HD 2950 XTX

VS

NVIDIA GeForce GTX 650 Ti Boost

ATI Radeon HD 2950 XTX

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 650 Ti Boost and 512MB VRAM Radeon HD 2950 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 650 Ti Boost 's Advantages

Boost Clock1032MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (144.2GB/s vs 72.06GB/s)

448 additional rendering cores

ATI Radeon HD 2950 XTX 's Advantages

Lower TDP (110W vs 134W)

Score

Benchmark

FP32 (float)

GeForce GTX 650 Ti Boost +218%

1.585 TFLOPS

Radeon HD 2950 XTX

0.497 TFLOPS

GeForce GTX 650 Ti Boost

VS

Radeon HD 2950 XTX

Graphics Card

Mar 2013

Release Date

Unknown

GeForce 600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

1126 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

72.06GB/s

Render Config

-

Compute Units

4

-

768

Shading Units

320

64

TMUs

16

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

256 KB

-

Theoretical Performance

16.51 GPixel/s

Pixel Rate

12.43 GPixel/s

66.05 GTexel/s

Texture Rate

12.43 GTexel/s

-

1.585 TFLOPS

FP32 (float)

497.3 GFLOPS

66.05 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

134W

TDP

110W

300 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK106

GPU Name

RV670

GK106-240-A1

GPU Variant

RV670 XTX (215-0708004)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.54 billion

Transistors

0.666 billion

221 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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