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GPU Comparison
AMD Radeon HD 6990M vs AMD Radeon HD 6570M
AMD Radeon HD 6990M vs AMD Radeon HD 6570M
VS
AMD Radeon HD 6990M
AMD Radeon HD 6570M
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 1024MB VRAM Radeon HD 6570M 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 25.60GB/s)
640 additional rendering cores
AMD Radeon HD 6570M 's Advantages
Lower TDP (30W vs 100W)
Score
Benchmark
FP32 (float)
Radeon HD 6990M
+178%
1.602 TFLOPS
Radeon HD 6570M
0.576 TFLOPS
Radeon HD 6990M
VS
Radeon HD 6570M
Graphics Card
Jul 2011
Release Date
Apr 2011
Vancouver
Generation
Vancouver
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-A (3.0)
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
115.2GB/s
Bandwidth
25.60GB/s
Render Config
-
SM Count
-
14
Compute Units
6
1120
Shading Units
480
56
TMUs
24
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
22.88 GPixel/s
Pixel Rate
9.600 GPixel/s
40.04 GTexel/s
Texture Rate
14.40 GTexel/s
-
FP16 (half)
-
1.602 TFLOPS
FP32 (float)
576.0 GFLOPS
-
FP64 (double)
-
Graphics Processor
Blackcomb
GPU Name
Whistler
Blackcomb XTX (216-0811030)
GPU Variant
-
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
0.716 billion
212 mm²
Die Size
104 mm²
Board Design
100W
TDP
30W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
5.0
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