AMD Radeon HD 7790 vs NVIDIA GeForce GTX 780 Ti 6 GB

VS

AMD Radeon HD 7790

NVIDIA GeForce GTX 780 Ti 6 GB

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 6GB VRAM GeForce GTX 780 Ti 6 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

Lower TDP (85W vs 250W)

NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages

Boost Clock928MHz

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (336.6GB/s vs 96.00GB/s)

1984 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7790

1.792 TFLOPS

GeForce GTX 780 Ti 6 GB +198%

5.345 TFLOPS

Radeon HD 7790

VS

GeForce GTX 780 Ti 6 GB

Graphics Card

Mar 2013

Release Date

Unknown

Southern 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

1500 MHz

Memory Clock

1753 MHz

Memory

1024MB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

96.00GB/s

Bandwidth

336.6GB/s

Render Config

14

Compute Units

-

896

Shading Units

2880

56

TMUs

240

16

ROPs

48

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

1536 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

55.68 GPixel/s

56.00 GTexel/s

Texture Rate

222.7 GTexel/s

-

1.792 TFLOPS

FP32 (float)

5.345 TFLOPS

112.0 GFLOPS

FP64 (double)

222.7 GFLOPS

Board Design

85W

TDP

250W

250 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.4a 2x mini-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

Bonaire

GPU Name

GK110B

Bonaire XT (215-0839039)

GPU Variant

-

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

7.08 billion

160 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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