AMD Radeon R9 270 1024SP vs NVIDIA GeForce GTX 780 Ti Engineering Sample

VS

AMD Radeon R9 270 1024SP

NVIDIA GeForce GTX 780 Ti Engineering Sample

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 3GB VRAM GeForce GTX 780 Ti Engineering Sample to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 1024SP 's Advantages

Lower TDP (150W vs 250W)

NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages

Boost Clock has increased by 0% (928MHz vs 925MHz)

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (336.6GB/s vs 153.6GB/s)

1856 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP

1.894 TFLOPS

GeForce GTX 780 Ti Engineering Sample +182%

5.345 TFLOPS

Radeon R9 270 1024SP

VS

GeForce GTX 780 Ti Engineering Sample

Graphics Card

Mar 2015

Release Date

Unknown

Volcanic Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

875 MHz

925 MHz

Boost Clock

928 MHz

1200 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

153.6GB/s

Bandwidth

336.6GB/s

Render Config

16

Compute Units

-

1024

Shading Units

2880

64

TMUs

240

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

55.68 GPixel/s

59.20 GTexel/s

Texture Rate

222.7 GTexel/s

-

1.894 TFLOPS

FP32 (float)

5.345 TFLOPS

118.4 GFLOPS

FP64 (double)

222.7 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

Pitcairn

GPU Name

GK180

Pitcairn PRO (215-0828062)

GPU Variant

GK180-425-A1

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_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.2.175

-

CUDA

3.5

5.1

Shader Model

5.1

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