AMD Radeon HD 7790 vs AMD Radeon R9 380 OEM
GPU · Specs Compare
Graphics Card
Release Date
Mar 2013
May 2015
Generation
Southern Islands
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1500 MHz
1375 MHz
Memory
Memory Size
1024MB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
96.00GB/s
176.0GB/s
Render Config
Compute Units
14
28
Shading Units
896
1792
TMUs
56
112
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
512 KB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
29.38 GPixel/s
Texture Rate
56.00 GTexel/s
102.8 GTexel/s
FP32 (float)
1.792 TFLOPS
3.290 TFLOPS
FP64 (double)
112.0 GFLOPS
205.6 GFLOPS
FP16 (half)
—
3.290 TFLOPS
Graphics Processor
GPU Name
Bonaire
Antigua
GPU Variant
Bonaire XT(215-0839039)
Antigua PRO(215-0877000)
Architecture
GCN 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
5 billion
Die Size
160 mm²
366 mm²
Board Design
TDP
85W
190W
Suggested PSU
250 W
450 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin
2x 6-pin
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.0
Vulkan
1.2
1.2
Shader Model
6.3
6.3
Benchmark
3DMark Time Spy
1,307
—
3DMark Time Spy Extreme
409
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.