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GPU Comparison
AMD Radeon HD 6990M Rebrand vs AMD Radeon R7 M380
AMD Radeon HD 6990M Rebrand vs AMD Radeon R7 M380
VS
AMD Radeon HD 6990M Rebrand
AMD Radeon R7 M380
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 4GB VRAM Radeon R7 M380 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6990M Rebrand 's Advantages
Larger VRAM bandwidth (70.40GB/s vs 32.00GB/s)
160 additional rendering cores
AMD Radeon R7 M380 's Advantages
Released 3 years and 10 months late
Boost Clock915MHz
More VRAM (4GB vs 1024GB)
Score
Benchmark
FP32 (float)
Radeon HD 6990M Rebrand
+9%
1.28 TFLOPS
Radeon R7 M380
1.171 TFLOPS
Radeon HD 6990M Rebrand
VS
Radeon R7 M380
Graphics Card
Jul 2011
Release Date
May 2015
Vancouver
Generation
Gem System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
915 MHz
1100 MHz
Memory Clock
1000 MHz
Memory
1024MB
Memory Size
4GB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
128bit
70.40GB/s
Bandwidth
32.00GB/s
Render Config
14
Compute Units
10
-
-
-
800
Shading Units
640
40
TMUs
40
16
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
12.80 GPixel/s
Pixel Rate
14.64 GPixel/s
32.00 GTexel/s
Texture Rate
36.60 GTexel/s
-
-
-
1280 GFLOPS
FP32 (float)
1171 GFLOPS
-
FP64 (double)
73.20 GFLOPS
Board Design
100W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
-
-
Graphics Processor
Broadway
GPU Name
Tropo
Broadway XTX
GPU Variant
Tropo XT
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.04 billion
Transistors
1.5 billion
166 mm²
Die Size
123 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
2.1 (1.2)
N/A
Vulkan
1.2.170
-
-
-
5.0
Shader Model
6.5 (5.1)
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8
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