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GPU Comparison
AMD Radeon HD 6990M vs AMD Radeon R7 M260X
AMD Radeon HD 6990M vs AMD Radeon R7 M260X
VS
AMD Radeon HD 6990M
AMD Radeon R7 M260X
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 1024MB VRAM Radeon R7 M260X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6990M 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (115.2GB/s vs 64.00GB/s)
736 additional rendering cores
AMD Radeon R7 M260X 's Advantages
Released 4 years and 5 months late
Boost Clock715MHz
Score
Benchmark
FP32 (float)
Radeon HD 6990M
+191%
1.602 TFLOPS
Radeon R7 M260X
0.549 TFLOPS
Radeon HD 6990M
VS
Radeon R7 M260X
Graphics Card
Jul 2011
Release Date
Dec 2015
Vancouver
Generation
Gem System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
620 MHz
-
Boost Clock
715 MHz
900 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
115.2GB/s
Bandwidth
64.00GB/s
Render Config
-
SM Count
-
14
Compute Units
6
1120
Shading Units
384
56
TMUs
24
32
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
22.88 GPixel/s
Pixel Rate
5.720 GPixel/s
40.04 GTexel/s
Texture Rate
17.16 GTexel/s
-
FP16 (half)
-
1.602 TFLOPS
FP32 (float)
549.1 GFLOPS
-
FP64 (double)
-
Graphics Processor
Blackcomb
GPU Name
Opal
Blackcomb XTX (216-0811030)
GPU Variant
Opal PRO
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.7 billion
Transistors
0.95 billion
212 mm²
Die Size
77 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 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
2.1 (1.2)
N/A
Vulkan
1.2.170
-
CUDA
-
5.0
Shader Model
6.5 (5.1)
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