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

VS

ATI Radeon HD 2950 XTX NVIDIA GeForce GTX 650 Ti Boost

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

Main Differences

ATI Radeon HD 2950 XTX 's Advantages

Lower TDP (110W vs 134W)

NVIDIA GeForce GTX 650 Ti Boost 's Advantages

Boost Clock1032MHz

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

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2950 XTX

0.497 TFLOPS

GeForce GTX 650 Ti Boost +218%

1.585 TFLOPS

Radeon HD 2950 XTX

VS

GeForce GTX 650 Ti Boost

Graphics Card

Unknown

Release Date

Mar 2013

Radeon R600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

1126 MHz

Memory Clock

1502 MHz

Memory

512MB

Memory Size

2GB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

192bit

72.06GB/s

Bandwidth

144.2GB/s

Render Config

-

SM Count

-

4

Compute Units

-

320

Shading Units

768

16

TMUs

64

16

ROPs

24

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

Theoretical Performance

12.43 GPixel/s

Pixel Rate

16.51 GPixel/s

12.43 GTexel/s

Texture Rate

66.05 GTexel/s

-

FP16 (half)

-

497.3 GFLOPS

FP32 (float)

1.585 TFLOPS

99.46 GFLOPS

FP64 (double)

66.05 GFLOPS

Graphics Processor

RV670

GPU Name

GK106

RV670 XTX (215-0708004)

GPU Variant

GK106-240-A1

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

2.54 billion

192 mm²

Die Size

221 mm²

Board Design

110W

TDP

134W

300 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

1x 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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