ATI Radeon HD 2950 PRO vs NVIDIA GeForce GTX 660 Ti

VS

ATI Radeon HD 2950 PRO NVIDIA GeForce GTX 660 Ti

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2950 PRO and 2GB VRAM GeForce GTX 660 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2950 PRO 's Advantages

Lower TDP (75W vs 150W)

NVIDIA GeForce GTX 660 Ti 's Advantages

Boost Clock980MHz

Larger VRAM bandwidth (144.2GB/s vs 38.40GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2950 PRO

0.384 TFLOPS

GeForce GTX 660 Ti +585%

2.634 TFLOPS

Radeon HD 2950 PRO

VS

GeForce GTX 660 Ti

Graphics Card

Unknown

Release Date

Aug 2012

Radeon R600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

915 MHz

-

Boost Clock

980 MHz

600 MHz

Memory Clock

1502 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

192bit

38.40GB/s

Bandwidth

144.2GB/s

Render Config

-

SM Count

-

4

Compute Units

-

320

Shading Units

1344

16

TMUs

112

16

ROPs

24

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

Theoretical Performance

9.600 GPixel/s

Pixel Rate

27.44 GPixel/s

9.600 GTexel/s

Texture Rate

109.8 GTexel/s

-

FP16 (half)

-

384.0 GFLOPS

FP32 (float)

2.634 TFLOPS

76.80 GFLOPS

FP64 (double)

109.8 GFLOPS

Graphics Processor

RV670

GPU Name

GK104

RV670 PRO ES (215-0708001)

GPU Variant

GK104-300-KD-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

3.54 billion

192 mm²

Die Size

294 mm²

Board Design

75W

TDP

150W

250 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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