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

AMD Radeon R9 390 vs NVIDIA GeForce GTX TITAN

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 6GB VRAM GeForce GTX TITAN to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 's Advantages
Released 2 years and 4 months late
More VRAM (8GB vs 6GB)
Larger VRAM bandwidth (384.0GB/s vs 288.4GB/s)
NVIDIA GeForce GTX TITAN 's Advantages
Boost Clock876MHz
128 additional rendering cores
Lower TDP (250W vs 275W)

Score

Benchmark

FP32 (float)
Radeon R9 390 +8%
5.12 TFLOPS
GeForce GTX TITAN
4.709 TFLOPS
3DMark Time Spy
Radeon R9 390 +36%
3950
GeForce GTX TITAN
2900
VS

Graphics Card

Jun 2015
Release Date
Feb 2013
Pirate Islands
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
836 MHz
-
Boost Clock
876 MHz
1500 MHz
Memory Clock
1502 MHz

Memory

8GB
Memory Size
6GB
GDDR5
Memory Type
GDDR5
512bit
Memory Bus
384bit
384.0GB/s
Bandwidth
288.4GB/s

Render Config

40
Compute Units
-
-
-
-
2560
Shading Units
2688
160
TMUs
224
64
ROPs
48
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
1024 KB
L2 Cache
1536 KB
-
-
-

Theoretical Performance

64.00 GPixel/s
Pixel Rate
49.06 GPixel/s
160.0 GTexel/s
Texture Rate
196.2 GTexel/s
-
-
-
5.120 TFLOPS
FP32 (float)
4.709 TFLOPS
640.0 GFLOPS
FP64 (double)
1.570 TFLOPS

Board Design

275W
TDP
250W
600 W
Suggested PSU
600 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

Grenada
GPU Name
GK110
Grenada PRO (215-0880030)
GPU Variant
GK110-400-A1
GCN 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
6.2 billion
Transistors
7.08 billion
438 mm²
Die Size
561 mm²

Graphics Features

12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.5
6.3
Shader Model
5.1

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