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GPU Comparison
AMD Radeon HD 6990M vs NVIDIA GeForce GTX 980M
AMD Radeon HD 6990M vs NVIDIA GeForce GTX 980M
VS
AMD Radeon HD 6990M
NVIDIA GeForce GTX 980M
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 8GB VRAM GeForce GTX 980M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 980M 's Advantages
Released 3 years and 3 months late
Boost Clock1127MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (160.4GB/s vs 115.2GB/s)
416 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6990M
1.602 TFLOPS
GeForce GTX 980M
+116%
3.462 TFLOPS
Radeon HD 6990M
VS
GeForce GTX 980M
Graphics Card
Jul 2011
Release Date
Oct 2014
Vancouver
Generation
GeForce 900M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
1038 MHz
-
Boost Clock
1127 MHz
900 MHz
Memory Clock
1253 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
115.2GB/s
Bandwidth
160.4GB/s
Render Config
-
SM Count
-
14
Compute Units
-
1120
Shading Units
1536
56
TMUs
96
32
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
48 KB (per SMM)
512 KB
L2 Cache
2 MB
Theoretical Performance
22.88 GPixel/s
Pixel Rate
72.13 GPixel/s
40.04 GTexel/s
Texture Rate
108.2 GTexel/s
-
FP16 (half)
-
1.602 TFLOPS
FP32 (float)
3.462 TFLOPS
-
FP64 (double)
108.2 GFLOPS
Graphics Processor
Blackcomb
GPU Name
GM204
Blackcomb XTX (216-0811030)
GPU Variant
N16E-GX-A1
TeraScale 2
Architecture
Maxwell 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.7 billion
Transistors
5.2 billion
212 mm²
Die Size
398 mm²
Board Design
100W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Features
11.2 (11_0)
DirectX
12 (12_1)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
5.2
5.0
Shader Model
6.7 (6.4)
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