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GPU Comparison
NVIDIA GeForce 820A vs AMD Radeon HD 6990M Rebrand
NVIDIA GeForce 820A vs AMD Radeon HD 6990M Rebrand
VS
NVIDIA GeForce 820A
AMD Radeon HD 6990M Rebrand
We compared two Mobile platform GPUs: 1024MB VRAM GeForce 820A and 1024MB VRAM Radeon HD 6990M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 820A 's Advantages
Released 2 years and 8 months late
Lower TDP (15W vs 100W)
AMD Radeon HD 6990M Rebrand 's Advantages
Larger VRAM bandwidth (70.40GB/s vs 14.40GB/s)
704 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 820A
0.298 TFLOPS
Radeon HD 6990M Rebrand
+329%
1.28 TFLOPS
GeForce 820A
VS
Radeon HD 6990M Rebrand
Graphics Card
Mar 2014
Release Date
Jul 2011
GeForce 800A
Generation
Vancouver
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
1100 MHz
Memory
1024MB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
70.40GB/s
Render Config
2
SM Count
-
-
Compute Units
14
96
Shading Units
800
16
TMUs
40
8
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
256 KB
Theoretical Performance
3.100 GPixel/s
Pixel Rate
12.80 GPixel/s
12.40 GTexel/s
Texture Rate
32.00 GTexel/s
-
FP16 (half)
-
297.6 GFLOPS
FP32 (float)
1280 GFLOPS
24.80 GFLOPS
FP64 (double)
-
Graphics Processor
GF117
GPU Name
Broadway
N15V-GM
GPU Variant
Broadway XTX
Fermi 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
0.585 billion
Transistors
1.04 billion
116 mm²
Die Size
166 mm²
Board Design
15W
TDP
100W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
5.0
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