AMD Radeon R9 295X2 vs NVIDIA GeForce GTX 780 Ti

VS

AMD Radeon R9 295X2

NVIDIA GeForce GTX 780 Ti

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 3GB VRAM GeForce GTX 780 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 295X2 's Advantages

More VRAM (4GB vs 3GB)

NVIDIA GeForce GTX 780 Ti 's Advantages

Boost Clock928MHz

Larger VRAM bandwidth (336.6GB/s vs 320.0GB/s)

64 additional rendering cores

Lower TDP (250W vs 500W)

Score

Benchmark

FP32 (float)

Radeon R9 295X2 +7%

5.733 TFLOPS

GeForce GTX 780 Ti

5.345 TFLOPS

Radeon R9 295X2

VS

GeForce GTX 780 Ti

Graphics Card

Apr 2014

Release Date

Nov 2013

Volcanic Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

875 MHz

-

Boost Clock

928 MHz

1250 MHz

Memory Clock

1753 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

384bit

320.0GB/s

Bandwidth

336.6GB/s

Render Config

44

Compute Units

-

2816

Shading Units

2880

176

TMUs

240

64

ROPs

48

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

1536 KB

-

Theoretical Performance

65.15 GPixel/s

Pixel Rate

55.68 GPixel/s

179.2 GTexel/s

Texture Rate

222.7 GTexel/s

-

5.733 TFLOPS

FP32 (float)

5.345 TFLOPS

716.7 GFLOPS

FP64 (double)

222.7 GFLOPS

Board Design

500W

TDP

250W

900 W

Suggested PSU

600 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Vesuvius

GPU Name

GK110B

Vesuvius XT (215-0852022)

GPU Variant

GK110-425-B1

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

7.08 billion

438 mm²

Die Size

561 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

6.3

Shader Model

5.1

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