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GPU Comparison
AMD Radeon HD 6970M Mac Edition vs NVIDIA GeForce 820A
AMD Radeon HD 6970M Mac Edition vs NVIDIA GeForce 820A
VS
AMD Radeon HD 6970M Mac Edition
NVIDIA GeForce 820A
We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 1024MB VRAM GeForce 820A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6970M Mac Edition 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (115.2GB/s vs 14.40GB/s)
864 additional rendering cores
NVIDIA GeForce 820A 's Advantages
Released 2 years and 7 months late
Lower TDP (15W vs 75W)
Score
Benchmark
FP32 (float)
Radeon HD 6970M Mac Edition
+338%
1.306 TFLOPS
GeForce 820A
0.298 TFLOPS
Radeon HD 6970M Mac Edition
VS
GeForce 820A
Graphics Card
Aug 2011
Release Date
Mar 2014
Vancouver
Generation
GeForce 800A
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
115.2GB/s
Bandwidth
14.40GB/s
Render Config
-
SM Count
2
12
Compute Units
-
960
Shading Units
96
48
TMUs
16
32
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
128 KB
Theoretical Performance
21.76 GPixel/s
Pixel Rate
3.100 GPixel/s
32.64 GTexel/s
Texture Rate
12.40 GTexel/s
-
FP16 (half)
-
1306 GFLOPS
FP32 (float)
297.6 GFLOPS
-
FP64 (double)
24.80 GFLOPS
Graphics Processor
Blackcomb
GPU Name
GF117
Blackcomb XT (216-0811000)
GPU Variant
N15V-GM
TeraScale 2
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.7 billion
Transistors
0.585 billion
212 mm²
Die Size
116 mm²
Board Design
75W
TDP
15W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.1
5.0
Shader Model
5.1
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