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GPU Comparison
AMD Radeon R9 380 OEM vs AMD Radeon HD 7790
AMD Radeon R9 380 OEM vs AMD Radeon HD 7790
VS
AMD Radeon R9 380 OEM
AMD Radeon HD 7790
We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380 OEM and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 380 OEM 's Advantages
Released 2 years and 2 months late
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (176.0GB/s vs 96.00GB/s)
896 additional rendering cores
AMD Radeon HD 7790 's Advantages
Lower TDP (85W vs 190W)
Score
Benchmark
FP32 (float)
Radeon R9 380 OEM
+83%
3.29 TFLOPS
Radeon HD 7790
1.792 TFLOPS
Radeon R9 380 OEM
VS
Radeon HD 7790
Graphics Card
May 2015
Release Date
Mar 2013
Pirate Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1375 MHz
Memory Clock
1500 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
176.0GB/s
Bandwidth
96.00GB/s
Render Config
-
SM Count
-
28
Compute Units
14
1792
Shading Units
896
112
TMUs
56
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
29.38 GPixel/s
Pixel Rate
16.00 GPixel/s
102.8 GTexel/s
Texture Rate
56.00 GTexel/s
3.290 TFLOPS
FP16 (half)
-
3.290 TFLOPS
FP32 (float)
1.792 TFLOPS
205.6 GFLOPS
FP64 (double)
112.0 GFLOPS
Graphics Processor
Antigua
GPU Name
Bonaire
Antigua PRO (215-0877000)
GPU Variant
Bonaire XT (215-0839039)
GCN 3.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
2.08 billion
366 mm²
Die Size
160 mm²
Board Design
190W
TDP
85W
450 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.0
OpenCL
2.0
1.2
Vulkan
1.2
-
CUDA
-
6.3
Shader Model
6.3
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