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

AMD Radeon R9 390 vs NVIDIA GeForce GTX 980

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 4GB VRAM GeForce GTX 980 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)
512 additional rendering cores
NVIDIA GeForce GTX 980 's Advantages
Boost Clock1216MHz
Lower TDP (165W vs 275W)

Score

Benchmark

FP32 (float)
Radeon R9 390 +2%
5.12 TFLOPS
GeForce GTX 980
4.981 TFLOPS
3DMark Time Spy
Radeon R9 390
3950
GeForce GTX 980 +9%
4322
VS

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
1127 MHz
-
Boost Clock
1216 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
2048
160
TMUs
128
64
ROPs
64
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
48 KB (per SMM)
1024 KB
L2 Cache
2 MB
-
-
-

Theoretical Performance

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

Board Design

275W
TDP
165W
600 W
Suggested PSU
450 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
GM204-400-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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