AMD Radeon HD 7970 X2 vs AMD Radeon R9 M380
GPU Specs Compare
Graphics Card
Release Date
Aug 2012
May 2015
Generation
Southern Islands
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1375 MHz
1500 MHz
Base Clock
-
900 MHz
Boost Clock
-
1000 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
128bit
Bandwidth
264.0GB/s
96.00GB/s
Render Config
Compute Units
32
12
Shading Units
2048
768
TMUs
128
48
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
256 KB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
16.00 GPixel/s
Texture Rate
118.4 GTexel/s
48.00 GTexel/s
FP32 (float)
3.789 TFLOPS
1.536 TFLOPS
FP64 (double)
947.2 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
New Zealand
Strato
Architecture
GCN 1.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
2.08 billion
Die Size
352 mm²
160 mm²
GPU Variant
-
Strato PRO
Board Design
TDP
500W
Unknown
Suggested PSU
900 W
-
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
3x 8-pin
-
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.2.170
Shader Model
5.1
6.5