AMD Radeon R9 380 OEM vs NVIDIA GeForce GTX 275

VS

AMD Radeon R9 380 OEM

NVIDIA GeForce GTX 275

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380 OEM and 896MB VRAM GeForce GTX 275 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380 OEM 's Advantages

Released 6 years and 4 months late

More VRAM (4GB vs 896GB)

Larger VRAM bandwidth (176.0GB/s vs 127.0GB/s)

1552 additional rendering cores

Lower TDP (190W vs 219W)

Score

Benchmark

FP32 (float)

Radeon R9 380 OEM +388%

3.29 TFLOPS

GeForce GTX 275

0.674 TFLOPS

Radeon R9 380 OEM

VS

GeForce GTX 275

Graphics Card

May 2015

Release Date

Jan 2009

Pirate Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1134 MHz

Memory

4GB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

448bit

176.0GB/s

Bandwidth

127.0GB/s

Render Config

28

Compute Units

-

SM Count

30

1792

Shading Units

240

112

TMUs

80

32

ROPs

28

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

224 KB

-

Theoretical Performance

29.38 GPixel/s

Pixel Rate

17.72 GPixel/s

102.8 GTexel/s

Texture Rate

50.64 GTexel/s

3.290 TFLOPS

FP16 (half)

-

3.290 TFLOPS

FP32 (float)

673.9 GFLOPS

205.6 GFLOPS

FP64 (double)

84.24 GFLOPS

Board Design

190W

TDP

219W

450 W

Suggested PSU

550 W

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

Outputs

2x DVI

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Antigua

GPU Name

GT200B

Antigua PRO (215-0877000)

GPU Variant

G200-105-B3

GCN 3.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5 billion

Transistors

1.4 billion

366 mm²

Die Size

470 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.3

6.3

Shader Model

4.0

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