AMD Radeon R9 390 vs NVIDIA GeForce GTX 980
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
Sep 2014
Generation
Pirate Islands
GeForce 900
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1500 MHz
1753 MHz
Base Clock
—
1127 MHz
Boost Clock
—
1216 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
512bit
256bit
Bandwidth
384.0GB/s
224.4GB/s
Render Config
Compute Units
40
—
Shading Units
2560
2048
TMUs
160
128
ROPs
64
64
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
1024 KB
2 MB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
77.82 GPixel/s
Texture Rate
160.0 GTexel/s
155.6 GTexel/s
FP32 (float)
5.120 TFLOPS
4.981 TFLOPS
FP64 (double)
640.0 GFLOPS
155.6 GFLOPS
Graphics Processor
GPU Name
Grenada
GM204
GPU Variant
Grenada PRO(215-0880030)
GM204-400-A1
Architecture
GCN 2.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
6.2 billion
5.2 billion
Die Size
438 mm²
398 mm²
Board Design
TDP
275W
165W
Suggested PSU
600 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
1x 6-pin + 1x 8-pin
2x 6-pin
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.4
CUDA
—
5.2
Benchmark
3DMark Time Spy
3,964
—
3DMark Time Spy Extreme
1,931
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.