NVIDIA GeForce GTX 770 vs AMD Radeon R9 390 X2

VS

NVIDIA GeForce GTX 770

AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 770 and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 770 's Advantages

Boost Clock1085MHz

Lower TDP (230W vs 580W)

AMD Radeon R9 390 X2 's Advantages

Released 2 years and 4 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (345.6GB/s vs 224.4GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 770

3.333 TFLOPS

Radeon R9 390 X2 +53%

5.12 TFLOPS

GeForce GTX 770

VS

Radeon R9 390 X2

Graphics Card

May 2013

Release Date

Sep 2015

GeForce 700

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1046 MHz

Base Clock

-

1085 MHz

Boost Clock

-

1753 MHz

Memory Clock

1350 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

512bit

224.4GB/s

Bandwidth

345.6GB/s

Render Config

-

Compute Units

40

-

1536

Shading Units

2560

128

TMUs

160

32

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

34.72 GPixel/s

Pixel Rate

64.00 GPixel/s

138.9 GTexel/s

Texture Rate

160.0 GTexel/s

-

3.333 TFLOPS

FP32 (float)

5.120 TFLOPS

138.9 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

230W

TDP

580W

550 W

Suggested PSU

950 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 + 1x 8-pin

Power Connectors

4x 8-pin

Graphics Processor

GK104

GPU Name

Grenada

GK104-425-A2

GPU Variant

Grenada PRO (215-0880030)

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

6.2 billion

294 mm²

Die Size

438 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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