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GPU Comparison
NVIDIA GeForce GT 620M vs AMD Radeon HD 6870M
NVIDIA GeForce GT 620M vs AMD Radeon HD 6870M
VS
NVIDIA GeForce GT 620M
AMD Radeon HD 6870M
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 620M and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 620M 's Advantages
Released 1 years and 7 months late
Lower TDP (15W vs 50W)
AMD Radeon HD 6870M 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)
704 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 620M
0.253 TFLOPS
Radeon HD 6870M
+326%
1.08 TFLOPS
GeForce GT 620M
VS
Radeon HD 6870M
Graphics Card
Aug 2012
Release Date
Jan 2011
GeForce 600M
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
1000 MHz
Memory
1024MB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
28.80GB/s
Bandwidth
64.00GB/s
Render Config
2
SM Count
-
-
Compute Units
10
96
Shading Units
800
16
TMUs
40
4
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
2.640 GPixel/s
Pixel Rate
10.80 GPixel/s
10.56 GTexel/s
Texture Rate
27.00 GTexel/s
-
FP16 (half)
-
253.4 GFLOPS
FP32 (float)
1080 GFLOPS
21.12 GFLOPS
FP64 (double)
-
Graphics Processor
GF108
GPU Name
Granville
N13P-GLP-A1
GPU Variant
Granville XT (216-0769024)
Fermi
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.585 billion
Transistors
1.04 billion
116 mm²
Die Size
166 mm²
Board Design
15W
TDP
50W
-
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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