Home GPU Comparison AMD Radeon HD 6990M Rebrand vs AMD Radeon R7 M380

AMD Radeon HD 6990M Rebrand vs 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
VS

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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