AMD Radeon R9 390 vs NVIDIA GeForce GTX 770

VS

AMD Radeon R9 390

NVIDIA GeForce GTX 770

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

Main Differences

AMD Radeon R9 390 's Advantages

Released 2 years and 1 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 224.4GB/s)

1024 additional rendering cores

NVIDIA GeForce GTX 770 's Advantages

Boost Clock1085MHz

Lower TDP (230W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390 +53%

5.12 TFLOPS

GeForce GTX 770

3.333 TFLOPS

3DMark Time Spy

Radeon R9 390 +85%

3950

GeForce GTX 770

2135

Radeon R9 390

VS

GeForce GTX 770

Graphics Card

Jun 2015

Release Date

May 2013

Pirate Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1046 MHz

-

Boost Clock

1085 MHz

1500 MHz

Memory Clock

1753 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

224.4GB/s

Render Config

40

Compute Units

-

2560

Shading Units

1536

160

TMUs

128

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

34.72 GPixel/s

160.0 GTexel/s

Texture Rate

138.9 GTexel/s

-

5.120 TFLOPS

FP32 (float)

3.333 TFLOPS

640.0 GFLOPS

FP64 (double)

138.9 GFLOPS

Board Design

275W

TDP

230W

600 W

Suggested PSU

550 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

1x 6-pin + 1x 8-pin

Graphics Processor

Grenada

GPU Name

GK104

Grenada PRO (215-0880030)

GPU Variant

GK104-425-A2

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

3.54 billion

438 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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