NVIDIA GeForce GTX 650 Ti Boost vs AMD Radeon HD 6950

VS

NVIDIA GeForce GTX 650 Ti Boost

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 650 Ti Boost and 2GB VRAM Radeon HD 6950 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

Released 2 years and 3 months late

Boost Clock1032MHz

Lower TDP (134W vs 200W)

AMD Radeon HD 6950 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 144.2GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 650 Ti Boost

1.585 TFLOPS

Radeon HD 6950 +42%

2.253 TFLOPS

GeForce GTX 650 Ti Boost

VS

Radeon HD 6950

Graphics Card

Mar 2013

Release Date

Dec 2010

GeForce 600

Generation

Northern Islands

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

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

22

-

768

Shading Units

1408

64

TMUs

88

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

16.51 GPixel/s

Pixel Rate

25.60 GPixel/s

66.05 GTexel/s

Texture Rate

70.40 GTexel/s

-

1.585 TFLOPS

FP32 (float)

2.253 TFLOPS

66.05 GFLOPS

FP64 (double)

563.2 GFLOPS

Board Design

134W

TDP

200W

300 W

Suggested PSU

550 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GK106

GPU Name

Cayman

GK106-240-A1

GPU Variant

Cayman PRO (215-0807019)

Kepler

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

2.64 billion

221 mm²

Die Size

389 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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