NVIDIA GeForce GTX 780 6 GB vs AMD Radeon HD 8670 OEM

VS

NVIDIA GeForce GTX 780 6 GB

AMD Radeon HD 8670 OEM

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 6 GB and 2GB VRAM Radeon HD 8670 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 6 GB 's Advantages

Released 8 months late

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 73.60GB/s)

1920 additional rendering cores

AMD Radeon HD 8670 OEM 's Advantages

Boost Clock has increased by 16% (1050MHz vs 902MHz)

Lower TDP (75W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 6 GB +415%

4.156 TFLOPS

Radeon HD 8670 OEM

0.806 TFLOPS

GeForce GTX 780 6 GB

VS

Radeon HD 8670 OEM

Graphics Card

Sep 2013

Release Date

Jan 2013

GeForce 700

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

863 MHz

Base Clock

1000 MHz

902 MHz

Boost Clock

1050 MHz

1502 MHz

Memory Clock

1150 MHz

Memory

6GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

288.4GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

6

-

2304

Shading Units

384

192

TMUs

24

48

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

8.400 GPixel/s

173.2 GTexel/s

Texture Rate

25.20 GTexel/s

-

4.156 TFLOPS

FP32 (float)

806.4 GFLOPS

173.2 GFLOPS

FP64 (double)

50.40 GFLOPS

Board Design

250W

TDP

75W

600 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK110B

GPU Name

Oland

GK110-301-B1

GPU Variant

Oland XT (215-0837000)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

0.95 billion

561 mm²

Die Size

77 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

5.1

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