NVIDIA GeForce GTX 745 OEM vs ATI Radeon HD 2900 GT

VS

NVIDIA GeForce GTX 745 OEM

ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 745 OEM 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 745 OEM 's Advantages

Released 6 years and 3 months late

More VRAM (4GB vs 256GB)

144 additional rendering cores

Lower TDP (55W vs 150W)

ATI Radeon HD 2900 GT 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 745 OEM +175%

0.793 TFLOPS

Radeon HD 2900 GT

0.288 TFLOPS

GeForce GTX 745 OEM

VS

Radeon HD 2900 GT

Graphics Card

Feb 2014

Release Date

Nov 2007

GeForce 700

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

256MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

51.20GB/s

Render Config

-

Compute Units

3

-

384

Shading Units

240

24

TMUs

12

16

ROPs

12

-

64 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

128 KB

-

Theoretical Performance

16.53 GPixel/s

Pixel Rate

7.212 GPixel/s

24.79 GTexel/s

Texture Rate

7.212 GTexel/s

-

793.3 GFLOPS

FP32 (float)

288.5 GFLOPS

24.79 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

150W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 2.0 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 8-pin

Graphics Processor

GM107

GPU Name

R600

GM107-220-A2

GPU Variant

R600 GT (215RGFDKA13FG)

Maxwell

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

1.87 billion

Transistors

0.72 billion

148 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

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

4.0

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