AMD Radeon R7 265X OEM vs NVIDIA GeForce GTX 780 Rev. 2

VS

AMD Radeon R7 265X OEM

NVIDIA GeForce GTX 780 Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265X OEM and 3GB VRAM GeForce GTX 780 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 265X OEM 's Advantages

Released 11 months late

Boost Clock has increased by 3% (925MHz vs 902MHz)

Lower TDP (150W vs 250W)

NVIDIA GeForce GTX 780 Rev. 2 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 179.2GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 265X OEM

2.368 TFLOPS

GeForce GTX 780 Rev. 2 +75%

4.156 TFLOPS

Radeon R7 265X OEM

VS

GeForce GTX 780 Rev. 2

Graphics Card

Aug 2014

Release Date

Sep 2013

Volcanic Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

863 MHz

925 MHz

Boost Clock

902 MHz

1400 MHz

Memory Clock

1502 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

179.2GB/s

Bandwidth

288.4GB/s

Render Config

20

Compute Units

-

1280

Shading Units

2304

80

TMUs

192

32

ROPs

48

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

1536 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

43.30 GPixel/s

74.00 GTexel/s

Texture Rate

173.2 GTexel/s

-

2.368 TFLOPS

FP32 (float)

4.156 TFLOPS

148.0 GFLOPS

FP64 (double)

173.2 GFLOPS

Board Design

150W

TDP

250W

450 W

Suggested PSU

600 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Curacao

GPU Name

GK110B

Curacao PRO (215-0848000)

GPU Variant

GK110-300-B1

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

7.08 billion

212 mm²

Die Size

561 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

5.1

Shader Model

5.1

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