NVIDIA GeForce GTX 970 vs AMD Radeon R9 390

VS

NVIDIA GeForce GTX 970

AMD Radeon R9 390

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 8GB VRAM Radeon R9 390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 970 's Advantages

Boost Clock1178MHz

Lower TDP (148W vs 275W)

AMD Radeon R9 390 's Advantages

Released 9 months late

More VRAM (8GB vs 4GB)

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

896 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 970

3.92 TFLOPS

Radeon R9 390 +30%

5.12 TFLOPS

3DMark Time Spy

GeForce GTX 970

3625

Radeon R9 390 +8%

3950

GeForce GTX 970

VS

Radeon R9 390

Graphics Card

Sep 2014

Release Date

Jun 2015

GeForce 900

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1050 MHz

Base Clock

-

1178 MHz

Boost Clock

-

1753 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

512bit

224.4GB/s

Bandwidth

384.0GB/s

Render Config

-

Compute Units

40

-

1664

Shading Units

2560

104

TMUs

160

56

ROPs

64

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

-

Theoretical Performance

65.97 GPixel/s

Pixel Rate

64.00 GPixel/s

122.5 GTexel/s

Texture Rate

160.0 GTexel/s

-

3.920 TFLOPS

FP32 (float)

5.120 TFLOPS

122.5 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

148W

TDP

275W

300 W

Suggested PSU

600 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GM204

GPU Name

Grenada

GM204-200-A1

GPU Variant

Grenada PRO (215-0880030)

Maxwell 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

6.2 billion

398 mm²

Die Size

438 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

5.2

CUDA

-

6.4

Shader Model

6.3

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