AMD Radeon R9 390 vs NVIDIA GeForce GTX 970

VS

AMD Radeon R9 390

NVIDIA GeForce GTX 970

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

Main Differences

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

NVIDIA GeForce GTX 970 's Advantages

Boost Clock1178MHz

Lower TDP (148W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390 +30%

5.12 TFLOPS

GeForce GTX 970

3.92 TFLOPS

3DMark Time Spy

Radeon R9 390 +8%

3950

GeForce GTX 970

3625

Radeon R9 390

VS

GeForce GTX 970

Graphics Card

Jun 2015

Release Date

Sep 2014

Pirate Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1050 MHz

-

Boost Clock

1178 MHz

1500 MHz

Memory Clock

1753 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

224.4GB/s

Render Config

40

Compute Units

-

2560

Shading Units

1664

160

TMUs

104

64

ROPs

56

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

65.97 GPixel/s

160.0 GTexel/s

Texture Rate

122.5 GTexel/s

-

5.120 TFLOPS

FP32 (float)

3.920 TFLOPS

640.0 GFLOPS

FP64 (double)

122.5 GFLOPS

Board Design

275W

TDP

148W

600 W

Suggested PSU

300 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Grenada

GPU Name

GM204

Grenada PRO (215-0880030)

GPU Variant

GM204-200-A1

GCN 2.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

5.2 billion

438 mm²

Die Size

398 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.2

6.3

Shader Model

6.4

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