AMD Radeon R9 380 vs AMD Radeon HD 6990
GPU Specs Compare
Graphics Card
Release Date
Jun 2015
Mar 2011
Generation
Pirate Islands
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1375 MHz
1250 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
176.0GB/s
160.0GB/s
Render Config
Compute Units
28
24
Shading Units
1792
1536
TMUs
112
96
ROPs
32
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
31.04 GPixel/s
26.56 GPixel/s
Texture Rate
108.6 GTexel/s
79.68 GTexel/s
FP16 (half)
3.476 TFLOPS
-
FP32 (float)
3.476 TFLOPS
2.550 TFLOPS
FP64 (double)
217.3 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
Antigua
Antilles
GPU Variant
Antigua PRO(215-0877000)
Antilles XT(215-0807027)
Architecture
GCN 3.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
5 billion
2.64 billion
Die Size
366 mm²
389 mm²
Board Design
TDP
190W
375W
Suggested PSU
450 W
750 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DVI4x mini-DisplayPort 1.2
Power Connectors
2x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.0
1.2
Vulkan
1.2
N/A
Shader Model
6.3
5.0
📊 Benchmark
3DMark Time Spy
2,757
-
3DMark Time Spy Extreme
1,239
-