Radeon R9 380 vs Radeon HD 6850 X2
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 380 and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 380 Advantages
Released 3 years and 9 months late
Larger VRAM bandwidth (176.0GB/s vs 134.4GB/s)
832 additional rendering cores
Lower TDP (190W vs 254W)
Score
Benchmark
FP32 (float)
Radeon R9 380
+126%
3476
Radeon HD 6850 X2
1536
Graphics Card
Jun 2015
Release Date
Sep 2011
Pirate Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1375 MHz
Memory Clock
1050 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
176.0GB/s
Bandwidth
134.4GB/s
Render Config
28
Compute Units
12
1792
Shading Units
960
112
TMUs
48
32
ROPs
32
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
31.04 GPixel/s
Pixel Rate
25.60 GPixel/s
108.6 GTexel/s
Texture Rate
38.40 GTexel/s
3.476 TFLOPS
FP16 (half)
-
3.476 TFLOPS
FP32 (float)
1.536 TFLOPS
217.3 GFLOPS
FP64 (double)
-
Board Design
190W
TDP
254W
450 W
Suggested PSU
600 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x HDMI 1.3a
1x DisplayPort 1.1
2x 6-pin
Power Connectors
2x 8-pin
Graphics Processor
Antigua
GPU Name
Barts
Antigua PRO
(215-0877000)
(215-0877000)
GPU Variant
Barts PRO
(215-0798006)
(215-0798006)
GCN 3.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
5 billion
Transistors
1.7 billion
366 mm²
Die Size
255 mm²
Graphics Features
12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.0
OpenCL
1.2
1.2
Vulkan
N/A
6.3
Shader Model
5.0
