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GPU Comparison
AMD Radeon HD 8970M vs NVIDIA GeForce GT 620M
AMD Radeon HD 8970M vs NVIDIA GeForce GT 620M
VS
AMD Radeon HD 8970M
NVIDIA GeForce GT 620M
We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 1024MB VRAM GeForce GT 620M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8970M 's Advantages
Released 9 months late
Boost Clock900MHz
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (153.6GB/s vs 28.80GB/s)
1184 additional rendering cores
NVIDIA GeForce GT 620M 's Advantages
Lower TDP (15W vs 100W)
Score
Benchmark
FP32 (float)
Radeon HD 8970M
+810%
2.304 TFLOPS
GeForce GT 620M
0.253 TFLOPS
Radeon HD 8970M
VS
GeForce GT 620M
Graphics Card
May 2013
Release Date
Aug 2012
Solar System
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
850 MHz
Base Clock
-
900 MHz
Boost Clock
-
1200 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
28.80GB/s
Render Config
-
SM Count
2
20
Compute Units
-
1280
Shading Units
96
80
TMUs
16
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
256 KB
Theoretical Performance
28.80 GPixel/s
Pixel Rate
2.640 GPixel/s
72.00 GTexel/s
Texture Rate
10.56 GTexel/s
-
FP16 (half)
-
2.304 TFLOPS
FP32 (float)
253.4 GFLOPS
144.0 GFLOPS
FP64 (double)
21.12 GFLOPS
Graphics Processor
Neptune
GPU Name
GF108
Neptune XT (216-0847000)
GPU Variant
N13P-GLP-A1
GCN 1.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
0.585 billion
212 mm²
Die Size
116 mm²
Board Design
100W
TDP
15W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
5.1
Shader Model
5.1
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