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GPU Comparison
AMD Radeon R9 M290X Mac Edition vs AMD Radeon HD 6490M Mac Edition
AMD Radeon R9 M290X Mac Edition vs AMD Radeon HD 6490M Mac Edition
VS
AMD Radeon R9 M290X Mac Edition
AMD Radeon HD 6490M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M290X Mac Edition and 256MB VRAM Radeon HD 6490M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M290X Mac Edition 's Advantages
Released 3 years and 6 months late
Boost Clock975MHz
Larger VRAM bandwidth (174.7GB/s vs 25.41GB/s)
864 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 M290X Mac Edition
+732%
1.997 TFLOPS
Radeon HD 6490M Mac Edition
0.24 TFLOPS
Radeon R9 M290X Mac Edition
VS
Radeon HD 6490M Mac Edition
Graphics Card
Nov 2014
Release Date
May 2011
Crystal System
Generation
Vancouver
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
850 MHz
Base Clock
-
975 MHz
Boost Clock
-
1365 MHz
Memory Clock
794 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
64bit
174.7GB/s
Bandwidth
25.41GB/s
Render Config
-
SM Count
-
16
Compute Units
2
1024
Shading Units
160
64
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
31.20 GPixel/s
Pixel Rate
3.000 GPixel/s
62.40 GTexel/s
Texture Rate
6.000 GTexel/s
-
FP16 (half)
-
1.997 TFLOPS
FP32 (float)
240.0 GFLOPS
124.8 GFLOPS
FP64 (double)
-
Graphics Processor
Pitcairn
GPU Name
Seymour
Pitcairn PRO (215-0828062)
GPU Variant
Seymour XTX M2 (216-0809000)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
0.37 billion
212 mm²
Die Size
67 mm²
Board Design
80W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
5.0
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