NVIDIA GeForce GTX 650 Ti vs ATI Radeon HD 2900 GT

VS

NVIDIA GeForce GTX 650 Ti

ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 650 Ti and 256MB VRAM Radeon HD 2900 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 650 Ti 's Advantages

Released 4 years and 11 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (86.40GB/s vs 51.20GB/s)

528 additional rendering cores

Lower TDP (110W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 650 Ti +394%

1.425 TFLOPS

Radeon HD 2900 GT

0.288 TFLOPS

GeForce GTX 650 Ti

VS

Radeon HD 2900 GT

Graphics Card

Oct 2012

Release Date

Nov 2007

GeForce 600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1350 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

86.40GB/s

Bandwidth

51.20GB/s

Render Config

-

Compute Units

3

-

768

Shading Units

240

64

TMUs

12

16

ROPs

12

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

128 KB

-

Theoretical Performance

14.85 GPixel/s

Pixel Rate

7.212 GPixel/s

59.39 GTexel/s

Texture Rate

7.212 GTexel/s

-

1425 GFLOPS

FP32 (float)

288.5 GFLOPS

59.39 GFLOPS

FP64 (double)

-

Board Design

110W

TDP

150W

300 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.4a

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

GK106

GPU Name

R600

GK106-220-A1

GPU Variant

R600 GT (215RGFDKA13FG)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.54 billion

Transistors

0.72 billion

221 mm²

Die Size

420 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

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

4.0

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