Home GPU Comparison NVIDIA GeForce GTX 980 vs AMD Radeon R9 390 X2

NVIDIA GeForce GTX 980 vs AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 980 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 980 's Advantages
Boost Clock1216MHz
Lower TDP (165W vs 580W)
AMD Radeon R9 390 X2 's Advantages
Released 1 years late
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (345.6GB/s vs 224.4GB/s)
512 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 980
4.981 TFLOPS
Radeon R9 390 X2 +2%
5.12 TFLOPS
VS

Graphics Card

Sep 2014
Release Date
Sep 2015
GeForce 900
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

1127 MHz
Base Clock
-
1216 MHz
Boost Clock
-
1753 MHz
Memory Clock
1350 MHz

Memory

4GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
512bit
224.4GB/s
Bandwidth
345.6GB/s

Render Config

-
Compute Units
40
-
-
-
2048
Shading Units
2560
128
TMUs
160
64
ROPs
64
-
-
-
-
-
-
48 KB (per SMM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

77.82 GPixel/s
Pixel Rate
64.00 GPixel/s
155.6 GTexel/s
Texture Rate
160.0 GTexel/s
-
-
-
4.981 TFLOPS
FP32 (float)
5.120 TFLOPS
155.6 GFLOPS
FP64 (double)
640.0 GFLOPS

Board Design

165W
TDP
580W
450 W
Suggested PSU
950 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
4x 8-pin

Graphics Processor

GM204
GPU Name
Grenada
GM204-400-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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