AMD Radeon R9 280X2 vs NVIDIA GeForce GTX 780 Ti Engineering Sample

VS

AMD Radeon R9 280X2

NVIDIA GeForce GTX 780 Ti Engineering Sample

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 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 280X2 's Advantages

Boost Clock has increased by 8% (1000MHz vs 928MHz)

NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages

Larger VRAM bandwidth (336.6GB/s vs 288.0GB/s)

832 additional rendering cores

Lower TDP (250W vs 375W)

Score

Benchmark

FP32 (float)

Radeon R9 280X2

4.096 TFLOPS

GeForce GTX 780 Ti Engineering Sample +30%

5.345 TFLOPS

Radeon R9 280X2

VS

GeForce GTX 780 Ti Engineering Sample

Graphics Card

Unknown

Release Date

Unknown

Volcanic Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

950 MHz

Base Clock

875 MHz

1000 MHz

Boost Clock

928 MHz

1500 MHz

Memory Clock

1753 MHz

Memory

3GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

288.0GB/s

Bandwidth

336.6GB/s

Render Config

32

Compute Units

-

2048

Shading Units

2880

128

TMUs

240

32

ROPs

48

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

1536 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

55.68 GPixel/s

128.0 GTexel/s

Texture Rate

222.7 GTexel/s

-

4.096 TFLOPS

FP32 (float)

5.345 TFLOPS

1024 GFLOPS

FP64 (double)

222.7 GFLOPS

Board Design

375W

TDP

250W

750 W

Suggested PSU

600 W

6x mini-DisplayPort 1.2

Outputs

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

3x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

GK180

Tahiti XTL (215-0821065)

GPU Variant

GK180-425-A1

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

7.08 billion

352 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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