NVIDIA GeForce GTX 970 vs AMD Radeon R9 390 X2
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 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 970 's Advantages
Boost Clock1178MHz
Lower TDP (148W 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)
896 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 970
3.92 TFLOPS
Radeon R9 390 X2
+30%
5.12 TFLOPS
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
1050 MHz
Base Clock
-
1178 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
-
-
-
1664
Shading Units
2560
104
TMUs
160
56
ROPs
64
-
-
-
-
-
-
48 KB (per SMM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
65.97 GPixel/s
Pixel Rate
64.00 GPixel/s
122.5 GTexel/s
Texture Rate
160.0 GTexel/s
-
-
-
3.920 TFLOPS
FP32 (float)
5.120 TFLOPS
122.5 GFLOPS
FP64 (double)
640.0 GFLOPS
Board Design
148W
TDP
580W
300 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
GM204-200-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
